Control Of Respiration (regulation of breathing)
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- Äas pĆidĂĄn 20. 07. 2024
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I always watch Armando's videos for anything Anatomy and Physiology related. Thank you for these incredible videos. I use these when I get bored with reading the textbook. It's a good way to break up the flow of studying. You always explain things very well and your drawings are great!
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Just reviewing this and I'm being taught just the opposite for the VRG and the DRG. My book and professor state the VRG is quiet breathing, and only active during exercise, whereas the DRG controls the basic rhythm of breathing by triggering inspiratory muscles via the phrenic nerve and receives sensory information via chemo and mechanoreceptors.
Donna Foster Paulsen i totally agree
To quote from my phys textbook: "The most common early explanation for generation of the respiratory rhythm (e.g., that proposed by Lumsden; see p. 702) is that no individual region of the DRG or VRG is sufficient to generate the rhythm but that many of them are necessary. A normal rhythm would require the component neurons in multiple brainstem regions to be âwired upâ in a specific way." (Boron & Boulpaep 3rd ed).
They also bring up other newer theories such as it would be in preBötC or a distributed ocillator model, but stresses that no model is today universally accepted.
Same heređąđą
Same, The DRG is "appears to be the pacesetting respiratory center" and the VRG is involved in forced inspiration and expiration.
Dafuk me too...đđ
This vedio is brief and to the point. Love how he dint drag any topic or make it boring. The diagrams are amazing too. Thank u soo much
I think its the dorsal group of neurons that generate rhythmicity, you say it is the ventral group? I think the rhythm comes from the inspiratory respiratory centre, not the expiratory centre.
Dr. John Campbell exactly!!
maybe he is talking about pre-botzinger complex..
that is exactly what I thought!
The Pre-Botzinger complex and the Botzinger complex are both parts of the ventral respiratory group of neurons. The Pre-Botzinger controls the rhythm, the Botzinger complex stops the inspiration.
@@hemantmodi1032even pre botzinger has dorsal
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what is apneustic and pneumotaxic centres. I remember hearing these terms ..
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Inspiration muscles = diaphragm + external intercostal muscles these two during quite breathing but during forced inspiration the accessory muscle ( sternocleidomastoid and scaleni) will contract
Expiration muscles = on muscle action during quite breathing but in forced expiration the ( abdominal muscles + internal intercostal muscles) will contract
" No muscle action during quite breathing in expiration "
I think we dont need muscle action in the normal expiratory. However, in the forced expiration, some muscles (such as the abdominal m. and the internal intercostal m.) need to be used to help push the air out of the lung (especially when we do heavy exercises and need more oxygen)
Expiration is passive my friend.
Woud it not be Hering-breuer reflex instead hering-brever??
Thank you. Very good video
Amazing.... Its really helpful....
The dorsal is responsible for the rythmicity of the breathing NOT the ventral
Easy and amazing explanation
Great video. However at the 34th second you state that the ventral group controls rhythmic breathing, but BRS Phys states that it's the dorsal group that controls rhythmic breathing.
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It's very useful thanks
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thank you for the videos,
Also get the BreatheEasy Lung Exerciser to quickly tone breathing muscles and open airways. đđŒđđŒ
Excellent, thanks
Very helpful thank you
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b) Where is the respiratory control centre located? What is the stimulus that causes the respiratory control centre to increase respiratory rate? Of the three, which is the primary stimulus
Thank you... it helped me a lotđ€đ€đ€
Why does he draw some lines significantly thicker? Is is because the majority of the O2/CO2 is transported that way? sorry for my dumb question
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