During acclimatization over a few days to weeks, the body produces more red blood cells to counteract the lower oxygen saturation in blood in high altitudes. Full adaptation to high altitude is achieved when the increase of red blood cells reaches a plateau and stops.Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). ... At the beginning of exercise, your body removes the parasympathetic stimulation, which enables the heart rate to gradually increase.
D)all of them
Answer:
Hello its C plasma
Explanation:
Blood has two parts 1.blood cells 2.plasma
Plasma makes up 55 percent of blood and blood cells form 45 percent of blood.
The cell part contains three type of cells.
- Erytrocyte
- Lokosite
- Platelets
Plasma contains:
- About 90 percent of water
- 7_8 percent proteins
- About 1 or 2 percent nutrients and.....
Hope you understand.
Auditory deals with the sense of hearing and all of the choices start with a different external factor end in a logical response, however, B is the answer because it’s external factor, a siren, is the only one that involves the sense of hearing.
<span>First - carhydrates are composed by Carbon, Hydrogen and Oxygen. Carbohydrates often suffer reactions of reduction, oxdation, amination, esterification, which gives every structur a specific property such as solubility. Now, fats are composed by several fatty acids and form mono, digli and triglicerids. This last ones are formed by Carbon, Hydrogen and Oxygen with a (-COOH) structure at the extremity. Protein, formed by linear aminoacids chains. Irs structure is determined by the aminoacids sequence. Now, steroids are derivated from the sterane, composed by Cabron and Hydrogen forming 4 merged rings, 3 hexagonals and 1 pentagonal.</span>
