It depends on your age and gender but an average number would be to 20-35.
B)20
Answer:
Explanation:
Tired eyes get dry, and rubbing stimulates the lacrimal glands to produce more fluid. Tiredness also closes your eyes, so you may rub to keep them open. Finally, there's a connection between the muscles that move your eyes around and your heart. When these muscles are stimulated, a reflex slows the heart.
Genome is the complete set hereditary instructions
So we can inform ourself’s about the different STD’s and how we can prevent them also about the way our body works and to learn about the reproductive system in both men and woman
