🔬 Science 8 · Grade 7 · Cambridge Lower Secondary Science Stage 8

Unit 1: Respiration

5 sections · 90 questions

Free to try, no sign-in. Sign in to earn ⭐ stars and keep your progress.

Sections

1. 1.1The human respiratory systeme.g. What is the larynx? · 16 questionsPractice
2. 1.2Gas exchangee.g. Why do air sacs have very thin walls? · 17 questionsPractice
3. 1.3Breathinge.g. What happens when you breathe out? · 20 questionsPractice
4. 1.4Respiratione.g. What is yeast? · 17 questionsPractice
5. 1.5Bloode.g. What does plasma transport? · 20 questionsPractice