Which of these is a product of cellular respiration: A. Oxygen
B. Water
C. Glucose
D. All of above

What substance acts to prevent sudden ph changes in bodily fluids?

Why is taking care of yourself a time management techique

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed