GCSE Biology Revision "Sizes of Cells"

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  • čas přidán 3. 08. 2017
  • GCSE workbooks www.amazon.co.uk/Dr-Shaun-Don...
    School licenses from 40p per copy www.freesciencelessons.co.uk/...
    In this video, we look at the sizes of cells. We explore the meaning of the words millimetre, micrometre and nanometre and how these relate to cells and the objects within cells.
    This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
    Image credits:
    Helicobacter pylori By Yutaka Tsutsumi, M.D. Professor Department of Pathology Fujita Health University School of Medicine [Copyrighted free use], via Wikimedia Commons
    Lymphocyte By No machine-readable author provided. NicolasGrandjean assumed (based on copyright claims). [GFDL (www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (creativecommons.org/licenses/b...) or CC BY-SA 2.5-2.0-1.0 (creativecommons.org/licenses/b...)], via Wikimedia Commons
    Little finger By Pogrebnoj-Alexandroff - open free cources, CC BY-SA 3.0, commons.wikimedia.org/w/index...
    Ballpoint CC BY-SA 3.0, commons.wikimedia.org/w/index...
    German shepherd By Ellen Levy Finch (Elf) - Own work, CC BY-SA 3.0, commons.wikimedia.org/w/index...
    Neutrophils By Dr Graham Beards - Own work, CC BY-SA 3.0, commons.wikimedia.org/w/index...
    Haemoglobin By Zephyris at the English language Wikipedia, CC BY-SA 3.0, commons.wikimedia.org/w/index...

Komentáře • 209

  • @Burtie.
    @Burtie. Před 5 lety +1076

    Anyone sat here binging the playlist preparing for tomorrow

  • @aminaraza152
    @aminaraza152 Před 5 lety +464

    I have biology Paper 1 tomorrow, good luck to all year 11s

  • @constantius4654
    @constantius4654 Před 5 lety +237

    okay but this man is gonna get me through my gcses. Thank you so much for making these. You are greatly appreciated

  • @kalamii_3215
    @kalamii_3215 Před 4 lety +561

    ""you might need to watch this video a couple of times to get the idea's"
    I see what you doin.. racking up them views eh donnley?

    • @alfyjoy59
      @alfyjoy59 Před 3 lety +22

      he could genuinely mean it tho

    • @ammaizrirnogr
      @ammaizrirnogr Před 3 měsíci

      LMFAOAO

    • @amanveer6461
      @amanveer6461 Před 2 měsíci +3

      He can take all the views he wants for all I care 😂

  • @HarrietLizzie
    @HarrietLizzie Před 4 lety +203

    i’ve spent 4 months in hospital and missed pretty much all of year eleven, i’m so worried i’m gonna fail but these videos are really helpful. thankyou :)

  • @oliviaoneillx
    @oliviaoneillx Před 6 lety +255

    GCSE is tomorrow binge watching all the vids

  • @85bigmeesh
    @85bigmeesh Před 5 lety +31

    Thank you! I literally sat through 3 hours of biology class and came home to randomly stumble across your videos! 15 minutes of your videos taught me what the prof could not, so THANK YOU!

  • @louisedilks7153
    @louisedilks7153 Před 9 měsíci +10

    I was a volunteer at RSPCA Radcliffe Animal Shelter. I am a volunteer Retail Assistant at Cats Protection charity shop in Derby. I am studying maths and science to be a veterinary nurse. I found the videos really useful for revision and homework.

    • @Freesciencelessons
      @Freesciencelessons  Před 8 měsíci +5

      Thanks for the comment, I appreciate it. I'm glad that my videos are helping with your studies. And thanks for being a freesciencelessons supporter.

  • @shafaqnazsohu4108
    @shafaqnazsohu4108 Před 5 lety +95

    when u have 2 go back 2 basics 1 week b4 exam starts

    • @ohaimark9449
      @ohaimark9449 Před 5 lety +3

      It's 2 days now and I don't know anything

  • @marneyandrena2352
    @marneyandrena2352 Před rokem +9

    got my exam tomorrow,thank you for helping me as without your videos i wouldnt be passing

  • @rosadiaz1739
    @rosadiaz1739 Před 3 lety +8

    anyone else cramming all these vids for a biology exam tomorrow😂
    good luck if you are, you got this

  • @IVY-eo6zd
    @IVY-eo6zd Před 2 lety +10

    hey last minute people 🥰🥰 GOOD LUCK FOR TMR !

    • @FireCaT-
      @FireCaT- Před 2 lety +1

      Good luck to u too if ur doing exams

  • @norao5299
    @norao5299 Před 5 lety +58

    Biology 2019 who’s readyyy

  • @aviciimessi5665
    @aviciimessi5665 Před 6 lety +17

    Love it! Short and understandable- this is way better than the 1hr videos ppl make.

  • @ruksanarahman3139
    @ruksanarahman3139 Před 6 lety +156

    Fab videos..thank you. Could you please provide a small test at the end of each video so we are able to summarise whether we have learnt the subject. When will the workbooks be available please? Thank you

    • @gitgud1868
      @gitgud1868 Před 2 lety +9

      aired ;(

    • @s7ksu
      @s7ksu Před rokem +8

      @@gitgud1868 lol bro replied 4 years later 🤣

  • @cait812
    @cait812 Před 6 lety +58

    Good luck to anyone doing theirs tomorrow!

  • @ay6nna
    @ay6nna Před 3 lety +3

    dude idk where id be without ur vids

  • @its_coleslaw_gaming
    @its_coleslaw_gaming Před 3 lety +14

    Literally watching this 10 minutes before GCSE biology paper 1

  • @PietraVDavis
    @PietraVDavis Před 4 lety +18

    Me ,leaving everything for the night before:
    Why do I do this to myself?

  • @Soberry123
    @Soberry123 Před rokem +4

    This guy saved my GCSE

  • @arianaadams115
    @arianaadams115 Před 2 lety +5

    youre the reason im alive

  • @pulsa_17
    @pulsa_17 Před 3 lety +10

    Year 11 where you at

  • @mypuppysjourney3273
    @mypuppysjourney3273 Před rokem +4

    Im so glad that these are so short😊

  • @pavel6ix
    @pavel6ix Před 6 lety +71

    coming back for the bants

  • @jaidenbaker8021
    @jaidenbaker8021 Před 6 lety +54

    Can’t be the only one binge watching these videos for tomorrow’s biology 😂

  • @siren5742
    @siren5742 Před 6 lety +9

    Binging this 2 hours before the exam. I'm good.

  • @Plooby842
    @Plooby842 Před 5 lety +25

    got the Biology exam tomorrow, had the first RE one today lowkey not excited

  • @matthewbrookes6302
    @matthewbrookes6302 Před 5 lety +29

    I’ve only got mocks but this is so useful

  • @mikedaud9225
    @mikedaud9225 Před rokem +2

    thanks for making it sound really simple

  • @Think2then1
    @Think2then1 Před 5 lety +3

    Exam day morning and this is when I revise greattttt

  • @zarabatool2509
    @zarabatool2509 Před 6 lety

    11thanks, appreciate your help!

  • @bintalislam
    @bintalislam Před 3 lety +2

    i love this man

  • @kiraward6383
    @kiraward6383 Před 5 lety +2

    This is literally the only way I'm going to pass this exam tomorrow

  • @kennedie7031
    @kennedie7031 Před 3 lety

    Thank you King

  • @jackwu3976
    @jackwu3976 Před 2 lety +8

    I love you so much ahh! Thank you so much for these videos, I'm currently failing, well every science. (By that I mean getting average 60%, and I'm not actually understanding everything.) I'm in year 10, and so I still have time for year 11, Which is why I'm learning everything right now WAY before my exams. I'll update you guys on how well I do!

  • @frankbank8720
    @frankbank8720 Před 6 lety +1

    Time to watch these

  • @maeveiona9132
    @maeveiona9132 Před 2 měsíci +1

    thank you!

  • @ohaimark9449
    @ohaimark9449 Před 5 lety +6

    2 days. Here we go boys

  • @idily6184
    @idily6184 Před 3 lety

    my mocks are next month and im BINGING

  • @Sireneyedbimbor
    @Sireneyedbimbor Před 5 lety +21

    me: *in year 11 bingeing for mocks* AAAAAAAAAAAAAAAAAA

  • @matthewbrookes6302
    @matthewbrookes6302 Před 5 lety

    Binging for my mocks

  • @willard5705
    @willard5705 Před 5 lety +3

    I’m definitely not watching this video a few hours before my exam or anything...... 😂

  • @nosheenalam8214
    @nosheenalam8214 Před 3 lety +13

    not me watching every single one of his videos bc my science mock is tomorrow and i havent revised-

  • @junaidkadu9062
    @junaidkadu9062 Před 5 lety +10

    3 days left

  • @weloveyoutecca1
    @weloveyoutecca1 Před 3 měsíci +5

    Bro i cant its just so hard

  • @Schmingle38
    @Schmingle38 Před 2 lety +1

    2:56 that cell looks very happy :)

  • @sorrynotsorry9056
    @sorrynotsorry9056 Před 3 lety

    nah this guy really helped me wth how’s this free

  • @simonb4713
    @simonb4713 Před 5 lety +17

    Dear Sir,
    Just asking, are these videos meant for the combined foundation, higher, or trilogy AQA GCSE?

    • @raspberrychewy1931
      @raspberrychewy1931 Před 5 lety +13

      It's definitely on the AQA higher Biology specification so if you're looking for that then it's good.

  • @rambooooooo
    @rambooooooo Před 6 lety +6

    Those last minute revision 😂 good luck u man

    • @muhammedadam7306
      @muhammedadam7306 Před 5 lety

      Hello Raman I am in jeddah
      And I am preparing for ilets and gcse 🤲

  • @lilysmith6666
    @lilysmith6666 Před 5 lety

    I love the intro music

  • @kez992
    @kez992 Před 5 lety

    good luck lads

  • @fabianmercer8908
    @fabianmercer8908 Před 6 lety

    saved my life

  • @janboz06
    @janboz06 Před 2 lety +5

    Anyone here binging the new playlist

    • @BenDSteele
      @BenDSteele Před 2 lety +1

      Binging ready for my y10 mocs

  • @plutonem4995
    @plutonem4995 Před měsícem

    Day before the exam grind

  • @maya2868
    @maya2868 Před 6 lety +3

    sir, what music do you like? thanks for these vids btw, gcses start on monday n im so worried

    • @Freesciencelessons
      @Freesciencelessons  Před 6 lety +19

      I like a lot of singer-songwriter music from the 1970s.
      Don't worry about your exams. Just keep revising and remember that loads of students (that you will be competing with) do virtually no revision at all.

    • @maya2868
      @maya2868 Před 6 lety +2

      thanks sir! and i LOVE seventies music - supertramp are my favourite at the moment.

    • @maya2868
      @maya2868 Před 6 lety +1

      that isn't singer songwriter but hey ho

    • @arslankhan2134
      @arslankhan2134 Před 6 lety

      Freesciencelessons Hi, just one question, Prokaryotics are 0.5um-5um in size, what about eukaryotics? everyone has a different answer. Thanks

  • @poota5042
    @poota5042 Před 4 lety +6

    November - December mocks anybody?

  • @samreenm9837
    @samreenm9837 Před 5 lety +1

    Good luck for tomorrowwww (GCSEs 2019)

  • @yves6357
    @yves6357 Před 6 lety +5

    Where is the link you are talking about??

  • @InfinityVids12
    @InfinityVids12 Před 5 lety +3

    Night before GCSE 2019 gang where u at

  • @ollieowen06
    @ollieowen06 Před rokem +10

    2023 exam in 4 days anyone else here?

  • @amyanne8330
    @amyanne8330 Před 5 lety +2

    Less than a week to p1 back to basics

  • @saaraho2132
    @saaraho2132 Před 6 lety +3

    Will things like tera and giga come up in the exam?

  • @itzjenbxtch
    @itzjenbxtch Před rokem +11

    2023 GCSE takers here?

  • @proudchristian9873
    @proudchristian9873 Před rokem

    so helpful

  • @maddyk3621
    @maddyk3621 Před 3 lety +1

    Morning of mocks 😜

  • @tomfoster1249
    @tomfoster1249 Před 4 lety +6

    His sir,
    Do I need to all the measurements in this videos- what in this videos should I write flashcards from?
    Thanks

    • @Freesciencelessons
      @Freesciencelessons  Před 4 lety +11

      You need to be able to say the sizes eg 1 micrometer is 1 millionth of a metre etc and also write them in standard form eg 1 x 10 -6 m

    • @tomfoster1249
      @tomfoster1249 Před 4 lety +1

      @@Freesciencelessons Thanks sir

  • @me-rf6jl
    @me-rf6jl Před 6 lety +2

    What link?

  • @ace_arbzproplayer6784
    @ace_arbzproplayer6784 Před 3 lety +7

    got a science test tomorrow which me luck hope this helps.

  • @fredrussell2198
    @fredrussell2198 Před 5 lety

    I have mocks tomorrow

  • @cerysevans790
    @cerysevans790 Před 3 lety +2

    exams tomorrow yay

  • @iloven1a110
    @iloven1a110 Před 4 lety +1

    I have a biology mock tomo good luck yr 10s 2020

  • @gxd5336
    @gxd5336 Před rokem +1

    got biology tmro lmao shiiiittt

  • @rmincx0802
    @rmincx0802 Před 2 lety

    what is the size of cell description?

  • @omaral-saigh5593
    @omaral-saigh5593 Před 2 lety

    Last minite gang lessgoo

  • @lovedaygrant6092
    @lovedaygrant6092 Před 5 lety +2

    1 day before my exam? Uh i think tf yeah

  • @CrappyEntertainment
    @CrappyEntertainment Před 2 lety +2

    My mocks are in Mocks in 2+ weeks 😏

  • @ryou6453
    @ryou6453 Před rokem +2

    So free

  • @xnlyxn9862
    @xnlyxn9862 Před 5 lety +2

    WhO Is ReViSInG ThE DaY BeFoRE thE ExAMm!?

  • @therealpigeon697
    @therealpigeon697 Před 4 lety +2

    btw nice suit

  • @hannahb8712
    @hannahb8712 Před 5 lety +1

    hahaha who else is on a binge watch before their exam tmoz

  • @4manflawlessround426
    @4manflawlessround426 Před 3 lety +3

    year 9s studying for bio paper 1 where yall at

  • @Nick-ef5uq
    @Nick-ef5uq Před rokem +3

    Am I the only current year 11 watching these

  • @xooeyengmann2020
    @xooeyengmann2020 Před 3 lety +1

    I'm spamming these videos for panic revision so if you see this congrats you have found an Easter egg

  • @adeelasucks
    @adeelasucks Před 3 lety

    wtp about learning about the size of prokaryotic cells when we gonna use this ;/

  • @If-gd2on
    @If-gd2on Před 3 lety

    biology paper 1 tomo

  • @bloomeraklyon5842
    @bloomeraklyon5842 Před rokem +3

    Who else is watching this in year 9

    • @whosminou
      @whosminou Před rokem

      i'm not in year 9 but is that adrienette omd

  • @hassanali1243
    @hassanali1243 Před 2 lety +1

    Ah shit I wish I could turn back time.

  • @Ganggank9000
    @Ganggank9000 Před 3 měsíci +3

    im finished 😈

  • @hysanliyear7613
    @hysanliyear7613 Před 5 měsíci +2

    bros better than bill nye💀

  • @ashirrrr
    @ashirrrr Před 5 lety +1

    Hello sir but when you said 1x10 -9 the power of isn't minus as it will be 0.00000001

  • @Imtheohio
    @Imtheohio Před rokem +1

    Omggggggggg🥰😍🥰😍🥰😍

  • @jaskiratsingh7922
    @jaskiratsingh7922 Před 2 lety +1

    Who else watching these to revise for year 12 biology?

    • @shxmz
      @shxmz Před 2 lety

      Yessir 😂

  • @cuttio4935
    @cuttio4935 Před 4 lety +2

    hey yo gshs students doing dis work in year 9 wassssup

  • @LePrincee
    @LePrincee Před rokem

    Big man thing

  • @ghosthawk1057
    @ghosthawk1057 Před 5 lety

    The boy…

  • @joemamaeatdeeznut1
    @joemamaeatdeeznut1 Před rokem

    For people who doesnt have cells you have to

  • @Rosie-ve6oe
    @Rosie-ve6oe Před 6 lety +10

    The subtitles on this video are incorrect. especially while trying to make sense of it. like a word music ER. no idea what this was suppose to say and i would like to have more punctuation in the subtitles aswell or perhaps a transcript.

    • @Freesciencelessons
      @Freesciencelessons  Před 6 lety +32

      Hi. The subtitles are done by youtube's voice recognition system and are not always reliable. However, on most of the videos, the words on the pages cover all the points that I'm saying, so any deaf viewers can use them without needing the subtitles.

    • @orangeknight6413
      @orangeknight6413 Před 6 lety

      He isnt putting down the words in the subtitles the subtitles is putting words down by itself , words it thinks it hears

  • @vvnnvx
    @vvnnvx Před 3 lety

    2021 anyone

  • @alliswell9442
    @alliswell9442 Před 5 lety

    Anyone else begging for a pass tomorrow

  • @glitchedout8079
    @glitchedout8079 Před 2 lety

    Class of 2022 wya?