A Rep (repetition) is one complete motion of an exercise.
For example, if the teacher asks you to do 10 by 4 push-ups, then a "rep" would be your first 10 push-ups finished.
Answer:
Development that takes place before the age of nine.
Primary sexual characteristics appear at birth and comprise both the external and internal genitalia (e.g., the penis and testes in men and the vagina and ovaries in women).
Answer:
D. They contain an unequal balance of all of the essential amino acids.
Explanation:
A protein usually of plant origin that lacks one or more essential amino acids—e.g., corn (which is low in lysine) or beans (which are low in tryptophan).
