Guard cells. should be the right thing i have not learned that yet<span />
Answer:
Oxygen debt is a physiological phenomenon in which a person consume oxygen at fater rate that it replaced by new oxygen molecules.
As shown in the graph, oxygen debt occurs just after the end of exercise because oxygen is consumed at faster rate during exercise that leads to increased respiration and body attempts to replace the used oxygen.
To overcome the problem of oxygen debt, a person should take rest that allows the body to replenish its oxygen supply.
Answer:
Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.
hope this helps :D
Explanation:
Okay what shall i help you with
Pollock gather in very large groups for the purpose of reproduction. Each female sends thousands of eggs out into the water, and the males send out lots of sperm at the same time. Carried by the water, the sperm and eggs meet and the eggs are fertilized.
