Endocrine System

Why is the pituitary the "master gland"?

• Its hormones affect other glands.
• Its hormones can replicate the actions of other hormones.
• All hormones start as immature pituitary hormones.
• Its hormones control reproduction.

This organ connects the central nervous system to the endocrine system. It helps regulate the pituitary, and even secretes some hormones of it’s own.

• Adrenal Gland

• Thyroid

• Hypothalamus

• Atria of the heart

Which hormone does the pancreas secrete in response to a DROP in blood glucose levels? 

• Insulin 
• Trypsin
• Glucagon
• Adrenalin 

Tags

NGSS.HS-LS1-3

Which gland secrets hormones that control blood sugar levels as well as many processes of digestion?

• Pituitary

• Testes

• Thyroid

• Pancreas

The two systems that work together to help your body maintain homeostasis are the _________________ system and the _________________ system.

• nervous and endocrine

• skeletal and muscular

• digestive and excretory

• nervous and skeletal

Exocrine glands differ from endocrine glands in that exocrine glands

• Secrete only into the bloodstream

• Secrete only local hormones

• Secrete through ducts or tubes to the body's exterior

• Secrete only into the urine

Hormones

• Regulate metabolism

• Aid membrane transport

• Help regulate water and electrolyte balance and blood pressure

• Do all of the above

Tags

NGSS.HS-LS1-3

All of the following are endocrine organs EXCEPT

• thyroid gland

• hypothalamus

• adrenal glands

• lymph nodes

Tags

NGSS.HS-LS1-3

Hormone regulation operates under which type of feedback mechanism?

• positive feedback

• negative feedback

• zero feedback

• Hormones are not regulated

Tags

NGSS.HS-LS1-3

Many steroid hormones, including testosterone and estrogen, are synthesized from this precursor.  

• cholesterol
• phospholipids
• tyrosine
• glucose