Inside the vagina. The sperm swim rapidly to the uterus through the cervix.
Proteins or polypeptides. (They are interchangeable)
The statement that a certain percentage of body fat is essential for the body to function effectively is true. Making, breaking, storing and mobilizing fats is at the core of how humans and all animals regulate their energy. So, fats are essential for energy regulation. There are two types of body fat: storage body fat and essential body fat. Both of them are taken into account when calculating body fat percentage.
Keep support, structure, allow movement, and produce blood cells.
