1. The Endocrine System

2. Hormonal Response Hypothalamus (brain) stimulates Pituitary gland
Regulates:
Thyroid- metabolism
Adrenal glands- hydration
Pancreas- blood glucose (sugar)
Parathyroid- calcium & phosphorus balance
Gonads- development of sex cells & puberty

3. endocrine system model

4. Male Reproductive System

5. Structure
Testosterone- male sex hormone produced in testes (male gonads)
Phys change, dev. muscles, body hair, deeper voice, & produce sperm

6. Function
Produce sperm
Transfer sperm to female

7. External Reproductive Organs
Testes- 2 small glands that store testosterone & produce sperm
Scrotum- skin surrounding testes that regulates temperature for developing sperm
Penis- spongy tissue & blood vessels

8. Internal Organs
Epididymis- large coiled tube, joins testes (temp. storage of mature sperm)
Vas Deferens- connecting tubes into males body (propel sperm forward during ejaculation)
Seminal Vessicle- combine fluid to sperm for mobility & nutrients (semen)

9. Internal Organs
Ejaculatory duct- sem. Ves. & vas. Def meet at the top of urethra (“swinging door”)
Prostate gland- small gland surrounds urethra (adds fluid to semen)
Cowper’s gland- secrete neutralizing acid before ejaculation (camouflage sperm)
Urethra- passage way for sperm & urine
See Pg 470

11. https://www. youtube. com/watch