Answer:
Regular physical activity can improve your muscle strength and boost your endurance. Exercise delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.
1.) The process of ejaculation starts with : A testis will produce sperm cells. These sperm cells will travel through the vans deferens. The accessory glands (seminal vesicle and prostate gland) will produce a fluid that will be combined to the sperm cells that will be semen.
2.) The process of menstruation starts with: An ovary will produce an egg cell every month that will travel through the fallopian tube and will go to the endometrium, the lining of the uterus. Since the egg cell is not fertilized, it will not be remained to the lining. Instead, the endometrium that has many blood vessels will shed blood containing the egg cell and that is the menstrual blood.
(Sorry for the wrong grammars)
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I don’t get what your saying but here’s my answer When a teen takes drugs in order to feel good, it interferes with the body's natural ability to do so. Here's how drugs affect the brain: The brain is made up of billions of nerve cells. ... Drugs overload the body with dopamine — in other words, they cause the reward system to send too many “feel-good” signals. I hope it helps you
