Models (14–16): Coordination & control

Communication systems

1 Explain homeostasis communication systems nervous endocrine KS4

Blood glucose homeostasis

I explain this lesson in this post and in this video.

2 Explain homeostasis insulin blood glucose KS4

The meaning of the nervous system

I explain this lesson in this post.

3 Explain nervous system structure and function KS4

The reflex arc

4 Explain nervous system reflex arc KS4

The evolution of the eye

5 Explain nervous system eye pupil evolution function KS4

Focusing the eye

6 Explain nervous system eye focus lens myopia KS4

Discover how to teach with just diagrams and conversation in my books: