Reproductive System
Gamete production, fertilization, fetal
development, and childbirth are essential for
survival of the species.
Reproductive System
Integumentary System
Skin sensory
receptors play a
role in sexual
Skeletal System
Bones can be a
temporary source
of calcium
during lactation.
Muscular System
Skeletal, cardiac,
and smooth muscles
all play a role in
processes and
sexual activity.
Nervous System
The nervous system
plays a major
role in sexual
activity and
sexual pleasure.
Endocrine System
Hormones control
the production of
eggs in the female
and sperm in the
Urinary System
Male urinary and
reproductive systems
share common
structures. Kidneys help
compensate for fluid loss
from the reproductive
Respiratory System
Breathing provides
oxygen that assists
in the production of
ATP needed for egg
and sperm development.
Digestive System
Proper nutrition is
essential for the
formation of normal
Lymphatic System
Special mechanisms
inhibit the female
immune system from
attacking sperm
as foreign invaders.
Cardiovascular System
Blood pressure is
necessary for the
normal function
of erectile tissue
in the male and
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