Human Reproductive Anatomy

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Human Reproductive Anatomy

• Pasterik
• 2006

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Human Male

• Can reproduce several hundred million sperm per
  day.

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Sperm are produced in the testes , located in the
scrotum.
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Sperm mixes with body fluids to create semen.
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• The Penis is the organ used to deposit sperm.
• The Urethra carries semen and urine.

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What is an erection technically?

• When the capillaries contained in the penis
  become flooded with extra blood.

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Can a male urinate in a female during sex?

• No. There is a small flap that covers the
  opening between the bladder and the urethra
  stopping the flow of urine out of the body.

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Human Female

• Produces one mature egg per month
• Beginning at age 11-???

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Eggs are produced in the ovaries.
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Eggs move through the fallopian tube to the
uterus.
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The uterus is the place where the embryo
develops.It is the size of a pear but can
stretch to the size of a watermelon.
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The lining of the uterus is the endometrium,
which provides a cushion for the fetus as it
develops.Some women develop a condition called
endometriosis. This means that the lining of
the uterus develops on the outside of the body
and can spider web to other organs.
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The Vagina

• Leads to the cervix and then the uterus.
• The cervix is the lower part of the uterus.

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Hormones and the body

• Hormones are chemical substances secreted by the
  glands, travel through the blood stream to affect
  another part of the body.
• Sex Hormones
• Help to produce the egg and sperm
• Begin secondary sex characteristics

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Male Secondary Sex Characteristics

• Hormone Testosterone
• Begins 12-13 years old
• Repsonsible for
• Beard growth
• Voice deepening
• Muscle strength
• Maturation of sperm
• factor in male baldness

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Female Secondary Sex Characteristics

• Hormone Estrogen and Progesterone
• Responsible for
• Production and release of egg
• Menstrual cycle
• Prepare uterine wall for implantation
• Breast development
• Hip spread
• Curves