The bladder is a muscular organ that stores urine.
The sac that regulates the temperature of testis is the scrotum.
The urethra extends through penis and is the tube that brings urine and semen.
The fluid containing sperms is called semen.
You don't have to be 18 to but sleeping mec
Warming up is important because you need to "warm up" your core and muscles and gets the blood flowing in preparation of a strenuous workout. It also helps prevent the risk of injury.
Stretching, walking, jogging, arm circles, lunges, squats and jumping jacks are good choices to include in a warm up
The answers are
11. B
12. D
13. C
Your answers should be diet and exercise.