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Overview of Human Reproductive and Endocrine Systems

This text provides a comprehensive overview of the human reproductive and endocrine systems. It outlines the primary functions of the reproductive systems, including the production of egg and sperm cells, the process of fertilization, and the roles of male and female reproductive organs. Additionally, it describes the endocrine system, which consists of various glands that produce hormones essential for growth, metabolism, stress response, and sexual characteristics. Understanding these systems is crucial for grasping human biology and reproduction.

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Overview of Human Reproductive and Endocrine Systems

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  1. The Reproductive Systems: • The main functions of the reproductive systems are to make egg and sperm cells which will combine to make a zygote (offspring) • Gamete = sex cell Male Reproduction • The function of the male reproductive system is to produce and deliver sperm. • Sperm are made in the testes through the process of meiosis. • In human males, sperm are haploid & have 23 chromosomes

  2. testes: 2 walnut sized organs that make sperm • scrotum: 2 pouches that each contain one testis outside the body. • vas deferens – tube that sperm travel through when they are released from each testis. • urethra – tube that connects the 2 vas deferens and travels through the penis. • Both sperm & urine travel through the urethra

  3. THREE FUNCTIONS OF THE FEMALE REPRODUCTIVE SYSTEM • To produce eggs • To receive sperm • Provide an environment that a baby can develop in

  4. How are eggs produced & released in females? • ovaries:2 ovaries are where eggs are made through meiosis. 1 egg is released each month called ovulation • fallopian tube: tube the egg travels through one it is released from the ovary. (also calledoviduct)there are 2 fallopian tubes. • uterus: fist sized organ where an embryo grows. • vagina: passageway to the outside of the body - baby is born through this passageway and sperm are deposited here

  5. Your Endocrine System - The endocrine system is a collection of special organs in the body that produce hormones and send them directly in to the blood stream. • Organs of the endocrine System: (Called Glands) • pituitary – regulates growth (located in the brain) • thyroid – regulates metabolism (found in the neck) • adrenal – regulate hormone that helps humans deal with stress (adrenaline) (located along the kidneys) • ovaries and testes – regulate hormones involved in the expression of sexual characteristics

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