What are the three main components that the endocrine system relies on to function?

Glands, hormones, and cell receptors

Describe how a hormone finds its target cells and what happens when it binds to a receptor.

Hormones travel through the bloodstream and are recognized by specific receptors on or inside target cells. When a hormone binds to a receptor, it triggers effects that either increase or decrease specific processes inside the cell, changing the cell's behavior.

Explain how hormones like estrogen and testosterone affect both males and females, and describe a misconception about these hormones mentioned in the video.

Both males and females have estrogen and testosterone, but in different amounts. Estrogen influences development and prepares the body for menstruation or pregnancy in females, while testosterone triggers the development of sexual organs and other male characteristics in males. A misconception is that these are exclusively male or female hormones.

How Steroid Hormones Work

9th GradeBiology30 min

Learning Objective

I can describe how steroid hormones affect cells.

Lesson Flow

Watch Video

6 min

How do your hormones work? - Emma Bryce

TED-Ed

Guided Notes

6 min

Key concepts students will learn:

•
The endocrine system uses glands, hormones, and cell receptors to regulate bodily processes.
•
The thyroid gland produces hormones that regulate breathing rate, heartbeat, body temperature, and digestion.
•
Hormones influence the production of brain chemicals like serotonin, which can cause changes in mood.

Practice

10 min

3 questions • Multiple choice & Short answer

Exit Ticket

5 min

“Describe how hormones affect cells, according to the video.”

Teacher Guide

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Answer keys for all questions
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Extension activities
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How Steroid Hormones Work

Learning Objective

Lesson Flow

Watch Video

Guided Notes

Practice

Exit Ticket

Teacher Guide

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