Skip navigation

Lessons in this unit

Lesson 1

The nervous system

Lesson 2

Reflex arcs

Lesson 3

Required practical: Reaction time (Part 1)

Lesson 4

Required practical: Reaction time (Part 2)

Lesson 5

Hormonal responses

Lesson 6

Negative feedback (Higher)

Lesson 7

Controlling blood sugar levels (Higher)

Lesson 8

Diabetes

Lesson 9

The nervous system and Homeostasis review lesson (Higher)

Lesson 10

Hormones in reproduction (Higher)

Lesson 11

Artificial control of fertility (Higher)

Lesson 12

Contraception

Lesson 13

Homeostasis review (Higher)

Lesson 14

Scientist case study