Surfaces where O2 diffuses into the blood and CO2 diffuses out of the blood. Each lung contains millions of these sacs. The small round alveoli allow for an amazingly large surface area for this gas exchange to take place. ... Therefore, the greater the surface area, the more gas exchange can occur.
True
Explanation:
Atoms of different elements have different masses because different atoms have a different number of subatomic particles i.e neutrons, protons and electrons.
Answer:
The great saphenous vein originates on the medial foot and empties into the femoral vein.
Explanation:
Starch is made up of alpha glucose. Fiber and Cellulose is made up of beta glucose.
