Endocrine System

The endocrine system is made up of glands that release hormones into the blood.

• True

• False

Tags

NGSS.HS-LS1-3

What is the function of the endocrine system?

• to filter and eliminate the waste from the blood

• to secrete hormones into the bloodstream to regulate body activities

• to provide structure and support for the body

• to defend the body against pathogens

Tags

NGSS.HS-LS1-3

When you eat a burger , your body produces insulin to control blood sugar . What type of feedback is that

• Positive feedback

• Negative Feedback

• None

• Both

Tags

NGSS.HS-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!

A chemical that is produced in one location of the body and used in a different part of the body is a/an ____________

• atom

• hormone

• blood cell

• toxin

Tags

NGSS.HS-LS1-3

_________________ is a state of internal balance in the body.

Tags

NGSS.HS-LS1-3

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

• Oxytocin

• Melatonin

• Testosterone

• Estrogen

Hormone

• circulate in the bloodstream and control the actions of certain cells or organs

• gland that makes substances such as sweat, tears, saliva, milk, and digestive juices, and releases them through a duct or opening to a body surface

• tissue that makes and releases hormones that travel in the bloodstream and control the actions of other cells or organ

• the control of hormone release in response to changes in extracellular fluids such as blood or the ion concentration in the blood

Tags

NGSS.HS-LS1-3

Exocrine

• circulate in the bloodstream and control the actions of certain cells or organs

• gland that makes substances such as sweat, tears, saliva, milk, and digestive juices, and releases them through a duct or opening to a body surface

• tissue that makes and releases hormones that travel in the bloodstream and control the actions of other cells or organ

• the control of hormone release in response to changes in extracellular fluids such as blood or the ion concentration in the blood

Endocrine

• circulate in the bloodstream and control the actions of certain cells or organs

• gland that makes substances such as sweat, tears, saliva, milk, and digestive juices, and releases them through a duct or opening to a body surface

• tissue that makes and releases hormones that travel in the bloodstream and control the actions of other cells or organ

• the control of hormone release in response to changes in extracellular fluids such as blood or the ion concentration in the blood

Tags

NGSS.HS-LS1-3