Chapter 6 Endocrine system Flashcards
1
Q
Endocrine system
A
produces chemical called hormones that help regulate the body activities and functions
- complex system of chemical messaging that also interacts with many other body systems
- regulates the metabolic and hormonal activates of the body
2
Q
pancreas
A
this is the main organ of the endocrine system
-it secretes the hormone insulin, which is critical to the body use of glucose.
3
Q
insulin
A
a hormone produced by the pancreas or taken as a medication by many diabetics
- Insulin is needed to convert glucose to energy (ATP)
4
Q
adrenal glands
A
essential to the endocrine system
- secretes epinephrine (also known as adrenaline)
- norepinephrine
these chemicals serve as neurotransmitters and engage the sympathetic nervous system.
5
Q
sympathetic nervous system
A
fight or flight response releases norepinephrine
- activates receptors in lungs (beta 2 receptors) which stimulates the bronchioles to dilate and move more air in
- activates receptors in the heart (beta 1 receptors) which increases heart rate and the force of contraction (systole)