1. Aim: How are humans adapted for reproduction?

2. Human Reproduction
In order to aid our reproductive processes, the human body has two major anatomical adaptations:
Reproductive System
Hormones

3. Female Reproductive System
Ovaries – produce egg cells & hormones estrogen & (progesterone)
Oviduct or Fallopian Tube – site of fertilization, carries egg to uterus
Uterus – site where embryo develops
Vagina – birth canal & site that allows for internal fertilization

4. Male Reproductive system
Testes – produce sperm & the hormone testosterone
Scrotum – external sac that keeps testes cool
Vas deferens - carry sperm from testes to penis
Seminal vesicle & Prostate gland – produce liquid with glucose for sperm. Why?
Urethra – carries urine & semen out of body

5. What is the name of this process & where does it take place?
46X
Meiosis
Gonads
23X
23X
23X
23X

6. Girls Secondary Sex Characteristics
Hips widen
Pubic Hair
Breasts enlarge
Due to the hormones estrogen
and progesterone.

7. Hormonal Regulation of the Testes:
Beginning at puberty, the pituitary gland secretes FSH & LH.
The rising levels of these hormones stimulate the testes to produce testosterone.
Testosterone stimulates the production of sperm.

8. Boys Secondary Sex Characteristics
Voice Deepens
Facial Hair
Muscular Development
Pubic Hair
Due to the hormone Testosterone.