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Slide 1: Diapositive

BiologieMiddelbare schoolhavoLeerjaar 3

Cette leçon contient 15 diapositives, avec diapositives de texte et 1 vidéo.

La durée de la leçon est: 45 min

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Have ready:

TB p. 96
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Slide 1 - Diapositive

Topic 1 Lesson 7

Homeostasis

Basics

Slide 2 - Diapositive

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

Learning goals:

Slide 3 - Diapositive

homeostasis
negative feedback
positive feedback
sensor
controlor
effector

Keywords:

READ:

TB. p.96-97

Integumentary system
Constrict
Dilate
Shivering
Evaporate
Goosebumps

Slide 4 - Diapositive

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 - Diapositive

Slide 6 - Vidéo

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

Negative feedback loop

Slide 7 - Diapositive

Slide 8 - Diapositive

High

Low

High

too high

too low

Slide 9 - Diapositive

Hypothalamus

Slide 10 - Diapositive

Slide 11 - Diapositive

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

Positive feedback loop

Slide 12 - Diapositive

Slide 13 - Diapositive

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

Learning goals:

Slide 14 - Diapositive

Today I have learned:

Summary of the day:

Slide 15 - Diapositive