Answer:
I believe it is C. the small intestine is longer, but the large intestine is thicker.
Explanation:
Difussion occurs from a high concentrated region to a low concentrated region. The velocity of diffussion is proportional to the differential of concentrations. In the lung arrives blood with low levels of oxygen while the long is rich with fresh oxygen so the oxygen flows from the lung tissues to the blood.
The other tissues consume oxygen continually them they get poor in oxygen and so the oxygen that is in the blood diffuses to the tissue that is poor in oxygen.
Answer:
A. Cohort study
Explanation:
It is basically a cohort study because in this we can evaluate the incident rate at a particular time for a particular disease. .