Vehicles 40. It's estimated that, at any given moment during daylight hours, more than
by someone using a cell phone.
A. O 290,000
B. O 550,000
C. O 480,000
D. O 2,650,000

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