516
Endocrine System
Glands secrete hormones that have a variety
of eF
ects on cells, tissues, organs, and organ
systems.
INNERCONNECTIONS
|
Endocrine System
Integumentary System
Melanocytes
produce skin
pigment in
response to
hormonal
stimulation.
Skeletal System
Hormones act on
bones to control
calcium balance.
Muscular System
Hormones help
increase blood
flow to exercising
muscles.
Nervous System
Neurons control the
secretions of the
anterior and
posterior pituitary
glands and the
adrenal medulla.
Cardiovascular System
Hormones are carried
in the bloodstream;
some have direct
actions on the heart
and blood vessels.
Lymphatic System
Hormones stimulate
lymphocyte
production.
Digestive System
Hormones help
control digestive
system activity.
Respiratory System
Decreased oxygen
causes hormonal
stimulation of red
blood cell production;
red blood cells
transport oxygen
and carbon dioxide.
Urinary System
Hormones act on
the kidneys to
help control water
and electrolyte
balance.
Reproductive System
Sex hormones play
a major role in
development of
secondary sex
characteristics, egg,
and sperm.
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