Ill say something that actually has a true meaning to you and you care about it also you wouldn't ever just give it up.
Answer:
D. Organs and muscles require more blood under stress.
Explanation:
Because muscular contractions can have a protracted metabolic expenditure because it has to be adjusted to the demands of the contracting muscles.
Break down food
Absorve the nutrients
Take in the food
It depends, normally if you're an experienced and talented surfer, companies or people will tend to sponsor or pay for you to surf for them.
