The scrotum is outside of the body as sperm production requires a temperature that is lower than that of body temperature. The scrotum is the pouch of skin that houses and protects the testes, the epididymis, and part of the spermatic cord. Evidence notes that the testicles produce several million sperm per day and the full process of making sperm takes about 64 days. Sperm production begins during puberty and continues throughout life. The testes are also where a person produces sperm through a process known as spermatogenesis. Testosterone is also responsible for the development of secondary sex characteristics, such as: Testosterone increases sex drive (libido) in males and is also responsible for primary sexual development such as: Mullerian inhibiting substance hormone (MIS).The testes are responsible for producing important hormones for sexual development, including: The testes typically begin growing between the ages of 11–13. The testes are about 2 inches long and 1.2 inches in diameter. The testes, also known as the testicles, are present behind the penis within the scrotum. Sperm cells within semen may then fertilize an egg. Following intercourse, a person will be able to ejaculate their semen into the vagina. The function of the penis, in addition to aiding in urination, is to assist with reproduction by transporting sperm to the female reproductive system.ĭuring sexual intercourse, the penis becomes erect and stiffens, allowing a person to insert it into an orifice, such as the vagina. This may be for religious, medical, or aesthetic reasons. Some men may have their foreskin removed via a surgical process called circumcision. This is known as the prepuce (more commonly known as the foreskin). ![]() The glans penis is the top portion of the penis through which the urethra opens. The body is the visible cylindrical portion, while the root attaches to the pubic arch of the pelvis. The penis has a root, a body, and a glans penis. The urethra is a muscular tube that allows the passage of urine from the bladder as well as semen, which contains sperm, from the seminal vesicles. The corpus spongiosum also surrounds the urethra. ![]() The erectile tissue includes two columns known as the corpora cavernosa and a single column in the front known as the corpus spongiosum. The penis becomes erect when blood fills the erectile tissue. It consists of three columns of erectile tissue wrapped in connective tissue and skin. The penis is the cylindrical-shaped organ located in front of the scrotum. ![]() The male reproductive system comprises external and internal organs. The external organs of the male reproductive system
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