Topic: Food Energy and Respiration Subtopic: Introduction
What is aerobic respiration?
Answer: Aerobic respiration is respiration which involves oxygen. Oxygen combines with food to form by products and energy.
- Where does bacteria in faeces come from?
- What is cell sap?
- What are Cilia and why are they important?
- How does blood flow in veins?
- What is faulty pacemaker?
- What is job of xylem?