Y3_TV3E_LSN7

Have ready:

TB p. 96
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Slide 1: Slide

BiologieMiddelbare schoolhavoLeerjaar 3

This lesson contains 15 slides, with text slides and 1 video.

Lesson duration is: 45 min

Items in this lesson

Have ready:

TB p. 96
Your Notebook
This lessonup
Google Classroom

Slide 1 - Slide

Topic 1 Lesson 7

Homeostasis

Basics

Slide 2 - Slide

I know what homeostasis is
I know how the body can keep homeostasis

Learning goals:

Slide 3 - Slide

homeostasis
negative feedback
positive feedback
sensor
controlor
effector

Keywords:

READ:

TB. p.96-97

Integumentary system
Constrict
Dilate
Shivering
Evaporate
Goosebumps

Slide 4 - Slide

All organs and organ systems working together,creating a balance inside your body.

Negative and positive feedback loops are used to maintain this balance.

Homeostasis

Slide 5 - Slide

Slide 6 - Video

The sensor registers an imbalance, the controller tells the effector how to respond. This returns to a balance.

Negative feedback loop

Slide 7 - Slide

Slide 8 - Slide

High

Low

High

too high

too low

Slide 9 - Slide

Hypothalamus

Slide 10 - Slide

Slide 11 - Slide

The sensor registers an imbalance, the controller tells the effector how to respond. This creates a snowball effect.

Positive feedback loop

Slide 12 - Slide

Slide 13 - Slide

I know what homeostasis is
I know how the body can keep homeostasis

Learning goals:

Slide 14 - Slide

Today I have learned:

Summary of the day:

Slide 15 - Slide