Page 62 - Science Course 2 (Book 1)
P. 62
Mo2-L4b: How Does the Body Move?
Endocrine System Key Concept
The endocrine system, like the nervous system, How Does the Body Move?
sends signals to the body.
How does the body move?
Hypothalamus
Pineal
Glans Pituitary Gland
Thyroid
Gland Parathyroid
Thymus
Adrenal Pancreas
Glands
Testicle (Male)
Ovary Female
Chemical signals released by the organs of the
endocrine system are called hormones.
Hormones travel in blood through blood vessels and
cause organ systems to carry out specific functions.
Some hormones work with other organ systems to
maintain homeostasis and other hormones work
with many organ systems to help you grow.
SUMMARY
How Does the Body Move?
Reflex signals are received by the spinal cord
but are not processed by the brain. This helps
the body respond quickly.
55

