Topic: Food Energy and Respiration Subtopic: Introduction
What is alveolus?
Answer: Alveolus is also known as air sac. Alveolus is the origin where gaseous exchange takes place. Blood vessels are present in alveolus.
- What is job of fibrinogen?
- What is digestive system?
- What are antibodies?
- What are Cilia and why are they important?
- What happens to glucose in liver?
- What is chance of smokers of dying from bronchitis?