Exploring Male Reproductive Anatomy and Sperm Production

The video explores the reproductive strategies of males and females, focusing on the biological investment in gametes. It details the anatomy and function of the male reproductive system, including the process of spermatogenesis, sperm maturation, and transport. The role of various glands in semen production is explained, along with the anatomy and function of the penis. The lesson concludes with a summary and acknowledgments.

How long does it take for an ovum to develop?

• Three months

• Over a year

• Two weeks

• Six months

What is the size of a human ovum?

• About one centimeter

• About one-hundred-thousandth of a millimeter

• About one millimeter

• About a tenth of a millimeter

Why are testes located outside the abdominal cavity?

• To increase their size

• To protect them from internal body heat

• To maintain a cooler temperature necessary for sperm production

• To improve mobility

What cells nourish developing sperm in the testes?

• Sertoli cells

• Leydig cells

• Myoid cells

• Spermatogonia

What triggers the start of spermatogenesis?

• The production of seminal fluid

• The maturation of the penis

• The cooling of the testes

• The release of GnRH by the hypothalamus

What hormone initiates the release of testosterone in males?

• Gonadotropin-releasing hormone

• Androgen-binding protein

• Follicle-stimulating hormone

• Luteinizing hormone

What process do primary spermatocytes undergo?

• Fertilization

• Spermiogenesis

• Meiosis I

• Mitosis

What is the function of the epididymis in sperm maturation?

• It secretes hormones

• It provides nutrients and helps sperm gain mobility

• It produces sperm

• It stores urine

What is the main function of the seminal vesicles?

• To produce testosterone

• To store sperm

• To secrete fluid that nourishes and transports sperm

• To regulate the temperature of sperm

What is the primary role of the penis in male reproductive function?

• To produce sperm

• To deliver sperm to female gametes

• To produce testosterone

• To store sperm