Multiple Choice
Which substance gives red blood cells their color?
A) Oxygen
B) Carbon dioxide
C) Hemoglobin
D) Plasma
Correct Answer:

Verified
Correct Answer:
Verified
Q69: Which part of the male reproductive tract
Q70: Which controls inherited traits?<br>A) Protoplasm<br>B) Chromosomes<br>C) Genes<br>D)
Q71: Which hormone controls the amount of sugar
Q72: Each lung is covered by a two-layered
Q73: The brainstem contains which of the following
Q75: Heart rate,breathing,and blood vessel size are controlled
Q76: The adrenal glands secrete:<br>A) Parathormone<br>B) Epinephrine and
Q77: Which increase(s)heart rate,blood pressure,and energy?<br>A) Parathormone<br>B) Epinephrine
Q78: Female sex cells are called:<br>A) Estrogen<br>B) Progesterone<br>C)
Q79: The labia majora and labia minora:<br>A) Are