Theory

Practice Questions

1. Animal habitats and adapted breathing

Difficulty: easy

2
2. Breathing in animals with lungs

Difficulty: easy

2
3. Respiratory system of animals

Difficulty: easy

2
4. Breathing in fish using gills

Difficulty: medium

2
5. Structures involved in breathing in various animals

Difficulty: medium

4
6. Breathing through skin

Difficulty: medium

3
7. Respiration in different animals

Difficulty: medium

2
8. Mechanism and process of gas exchange

Difficulty: hard

4
9. Body systems working together

Difficulty: hard

3

Teacher manual