Inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli. This is what happens in the alveoli during gas exchange
Answer:
b
Explanation:
Van leeuwenhoek, hope this is right! good luck!
Dogs are related to canis familiaris
Answer:
probability of a prime no. coming up is 3 : 1
probability of a head coming up. is 2 : 1
this isn't biology btw..
