1.) What are factors (Physical / Chemical) that influence...

1.) What are factors (Physical / Chemical) that influence the rate and depth of respiration 2.) How Respiratory system works as a buffer system to maintain body's ph normal 3.) Enzyme that makes Carbonic Anhydrase 4.) Functions of Hemoglobin 5.) Identify all the organs and their parts of Respiratory system (covered in the labs) 6.) Anatomy of esophagus and stomach 7.) All the Parameters and formulas of respiratory volumes and Lung Capacities e.g IRV, VC, TV etc 8.) Instruments used in Measuring the Lung's activities 9.) Experimental details (material used, products made, reaction chemicals used) that were supposed to be performed in the Resp lab

Transcript

00:01 Okay, i'm going to talk about oxygen, movement or transport across the cell.

00:05 Question number one says once oxygen has moved into our lungs, it means if this is one of your adiolus in your lungs, you're going to have oxygen organic air, okay? it says then how does it move from our lungs into the blood? so you're going to have here the blood.

00:21 Okay, so your oxygen has to move all across this pathway in order to get into the blood.

00:28 The options are simple diffusion, facilitated diffusion, active transport, and osmosis.

00:34 And the answer here is going to be option a, simple diffusion.

00:37 Remember that oxygen here, well, first, you're going to have high levels of oxygen here because you have just inhaled.

00:45 And here, your venous blood is going to have low levels of oxygen because it is deoxygenated.

00:52 So because of a gradient, oxygen is going to move by simple diffusion.

00:55 Here because you have high levels of oxygen here and low levels of oxygen here.

01:01 So you're going to have a gradient and this gradient is going to allow the movement of oxygen here.

01:06 Just across the cell membrane here of the epithelium here of the albiolus and also across the cell membrane or the cell membranes of the endothilium here in the blood, in the blood capillaries.

01:20 Okay, so you're not going to require any transporter to facilitate the diffusion of oxygen.

01:26 So this is going to be a simple diffusion process.

01:29 Then we have the next option that says, or a question that says when cells perform their normal day -to -day activities, cell metabolism, they generate carbon dioxide and that carbon dioxide and there's the blood.

01:40 Carbon dioxide can be toxic and must be removed from the blood because option aces, it makes the blood the blood acidic.

01:48 Remember that when oxygen or when carbon dioxide gets to the blood, let's imagine this is one of your blood vessels and here you have your one rpc, when your carbon dioxide molecule gets inside of the rpc, it is going to react with water and it is going to produce carbonic acid by means of the enzyme, carbonic and hydrates, okay? then by means of the same enzyme, it is going to dissociate into protons or hydrant ions and also by carbonate.

02:23 So if you have too much carbon dioxide, the oxide here, then you're going to increase the production of hydrogen ions.

02:30 So you're going to guise the levels of hydrogen ions, and this is going to lead to low ph.

02:35 Remember that when you have high levels of hydrogen ions, they're going to decrease the ph...

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