Answer:
C.
Explanation:
Here is a defintion of the immune system:
The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body.
C. matches that definition nicely.
:)
False, the description is incorrect.
The only right answer is oil or lipid or fats. These lipid macromolecules are the only substance needed in order for these vitamins A, D E and K to be absorbed by the cell and be used in many cellular activities.
Answer:
The process of respiration can take place in the presence as well as absence of oxygen. Hence, respiration is of two types: 1. Aerobic respiration and. 2. Anaerobic respiration.
Aerobic respiration is far more energy-efficient than anaerobic respiration.
Aerobic processes produce up to 38 ATP per glucose.
Anaerobic processes yield only 2 ATP per glucose.
Explanation:
