The testicles, or testes produce sperm cells
Digestive System hoped i helped in some way.
Answer:
Start by running 30 minutes 5 times a week, and exercise each group muscle in those 5 times a week, then increase 10 minutes every week and the weight everyweek
Explanation:
The principles of specificity is to exercise a certain muscle with exercises special to grow and to grow the group muscle that you want to grow, and overload is the method of increasing the time of exercise and the load, by increasing time and weight so the muscle does not get used to the exercise that it is performing.
First one, stress. Second one, flight or flight response.
