Download Endocrine System - St. Joseph School (Garden City)

Endocrine System
Important Vocabulary
 Hormone
 Target tissue
 Insulin
Endocrine System
 2nd control system of your body
 Chemicals control endocrine system
 These chemicals are called hormones
 Hormones affect specific tissues called target
tissues
 Doesn’t react as quickly as the nervous system
8 Endocrine Glands
 Pituitary
 Thyroid
 Parathyroid
 Thymus
 Adrenal
 Pancreas
 Ovaries
 Testes
Pancreas
 Produces digestive enzyme which is released into
the small intestine
 Also secrete hormones
 One hormone, called insulin enables cells to take
in glucose (main source of energy for cells)
 Insulin enables glucose to pass from the
bloodstream through cell membranes.
 People who can’t make insulin are diabetic
Negative-Feedback System
Answer…
1. What is the function of hormones
2. What is a negative-feedback system?
3. Glucose passes from the bloodstream
through cell membranes and into the
cells. Glucose is required for respiration
within cells. How would lack of insulin
affect this process?
4. Compare/contrast nervous and
endocrine system.