Exploring the Male Reproductive System and Sperm Journey

The video tutorial explains the male reproductive system, highlighting its unique components compared to the female system. It covers the structure and function of the testes, sperm production, and the pathway sperm takes through the male body. The composition of semen and the process of ejaculation are discussed, along with the anatomy of human sperm. The tutorial also addresses puberty, focusing on hormonal changes and the role of testosterone in developing secondary sex characteristics.

What is the function of the scrotal sacs in the male reproductive system?

• To transport sperm to the urethra

• To produce testosterone

• To regulate the temperature for sperm development

• To store urine

At what temperature do the testes optimally function to develop sperms?

• 25 degrees Celsius

• 37 degrees Celsius

• 15 degrees Celsius

• 30 degrees Celsius

Where are sperms stored before entering the vas deferens?

• Prostate gland

• Scrotal sac

• Epididymis

• Seminal vesicle

What is the primary component of seminal fluid?

• Nutrients and enzymes

• Water

• Urine

• Blood cells

Which gland opens into the sperm duct at the base of the urinary bladder?

• Prostate gland

• Seminal vesicle

• Cowper's gland

• Epididymis

What prevents urine and semen from passing through the urethra at the same time?

• Vas deferens

• External urethral sphincter

• Internal urethral sphincter

• Epididymis

What happens when the penis is stimulated?

• It produces testosterone

• It releases urine

• It decreases in size

• It becomes erect and hard

What is the main function of the acrosome in human sperm?

• To protect the sperm tail

• To break down the egg membrane

• To store DNA

• To provide energy

What is the diameter of a human sperm head?

• 70 micrometers

• 2.5 micrometers

• 10 micrometers

• 5 micrometers

What hormone increases during puberty in males?

• Estrogen

• Progesterone

• Testosterone

• Insulin