Y3_TV3D_LSN7

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  • TB p. 96
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Slide 1: Diapositive
BiologieMiddelbare schoolhavoLeerjaar 3

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

time-iconLa durée de la leçon est: 45 min

Éléments de cette leçon

Have ready:
  • TB p. 96
  • Your Notebook
  • This lessonup
  • Google Classroom

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
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:

1.
2. 
Summary of the day:

Slide 15 - Diapositive