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Lessons in this unit

Lesson 1

Musculoskeletal system

Lesson 2

Muscles

Lesson 3

The respiratory system

Lesson 4

Aerobic respiration

Lesson 5

Breathing

Lesson 6

The effects of exercise on respiration

Lesson 7

Anaerobic respiration

Lesson 8

How does the intensity of exercise affect breathing rate? An investigation

Lesson 9

Review One

Lesson 10

Smoking

Lesson 11

Alcohol

Lesson 12

DNA

Lesson 13

DNA case study: Franklin, Wilkins, Watson and Crick

Lesson 14

Inheritance

Lesson 15

Review Two