The correct answer I think is D. The nucleus
Answer:
Body systems. Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide, and hormones, around the body. It consists of the heart, blood, blood vessels,arteries and veins.
Answer: Barotrauma
Explanation: Barotrauma refers to injuries caused by increased air or water pressure,
These pockets contain the active site, which is the area of an enzyme where the substrate binds and the chemical reaction takes place. In the active site, amino acids of the enzyme protein will bind to the substrate. ... When binding to a substrate, enzymes may undergo an induced fit.