Ques: Q: What impact does photosynthesis have on the direction of electron flow? Choices: - repeats it - cycles it - cools it - reverses it A:
Ans: reverses it

Ques: Q: The right atrium receives all of the systemic venous return. most of the blood flows into either the superior vena cava or this? Choices: - resulted vena cava - identical vena cava - exterior vena cava - inferior vena cava A:
Ans: inferior vena cava

Ques: Q: What is an involuntary muscle contraction that moves rapidly along an organ like a wave called? Choices: - ruptured nerve - apoptosis - esophagus - peristalsis A:
Ans: peristalsis

Ques: Q: How many sperm does it take to fertilize an egg? Choices: - ten - five - two - one A:
Ans:
one