Chapter 18: reproduction in humans
all three glands secrete a fluid that contains nutrients and enzymes that nourish the sperms and stimulate them to swim actively
Why is the fetal blood system not continuous with the mother's blood system?
- blood pressure of the mother would kill the fetus as it is much higher than that of the fetus
- differing blood groups. agglutination may occur if the two blood systems mix killing both mother and fetus