The determining factors are; climate, environment, and Human Activity.
P.S.: try those...lmk if they are right ;)
A. Break down sugars to use their energy directly
Answer:
universe galaxy big bang solar system
Explanation:
The inferior vena cava brings deoxygenated blood back into the heart from the lower body. For comparison, the part that directs deoxygenated blood from the upper body is the superior vena cava.
Hormones - they travel through the blood to other parts of the body. Hope This Helps!
