Endocrine System

What is the main function of the endocrine system?

• It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

• It creates electrical messages that are sent around the body to maintain homeostasis.

• It maintains the correct level of oxygen in the body to maintain homeostasis.

• It releases waste from the body to maintain homeostasis.

Tags

NGSS.HS-LS1-3

This gland is located between the lungs behind the sternum and secretes thymosin that helps mature WBC's in our bodies when we are children. 

• thyroid
• parathyroid
• thymus
• brain stem

What is gland #3?

• Adrenal Gland
• Pancreas
• Ovaries
• Testes

Letter H is pointing to

• Thymus
• Pancreas
• Pituitary
• Pineal

Tags

NGSS.MS-LS1-3

Hormones travel through the blood and encounter many cells. How do they affect ONLY target cells?

• Target cells have receptors that match up with the hormone

• Target cells send out signals that attach to hormones and draw them to the cell

• Target cells have cell membranes with a different composition

• Magic!

When it starts to get dark, your brain releases ____, which makes you tired.

• Oxytocin

• Melatonin

• Testosterone

• Estrogen

The ____________ System is repsonsible for causing quick changes in the body.

Epinephrine is secreted by the _____ gland and is responsible for _____

Tags

NGSS.HS-LS1-3

The ___________ System is responsible for causing longer acting changes in the body.

Tags

NGSS.HS-LS1-3

If you need more Calcium in your blood, _____ will be released.

Tags

NGSS.HS-LS1-3