In order to calculate your target heart rate, you must figure out your resting heart rate.
So {A} would be the best answer.
Answer:
The male reproductive system consists of external organs. The testes in the scrotum produce the male gamete, sperm, which is ejaculated in seminal fluid by the penis.
The female reproductive system primarily consists of internal organs. The female gamete, ovum, is produced in the ovaries and is released monthly to travel to the uterus via the Fallopian tubes.
Explanation:
His immune system is using the first line of defense. His body is using purging methods that is caused by irritation of the hairs in his nose. This defense system<span> uses physical and chemical barriers that are prepared to defend the body from infection.</span>
The answer is A because relating to or denoting exercise that improves or is intended to improve the efficiency of the body's cardiovascular in absorbing and transporting oxygen.