Topic: Food Energy and Respiration Subtopic: Introduction
What are by-products of respiration?
Answer: There are two major by-products of respiration i.e. Carbon dioxide (CO2) and water (H2O). Carbon dioxide is given out when we exhale air and water is excreted in different ways e.g. sweating, exhaling, urinating and egesting.
- Why are plant roots important?
- What is pulse?
- What is meant by leaking of heart valves?
- How many parts does flower has?
- Why is blood important?
- What is sexual reproduction?