Topic: Human Digestive System Subtopic: Introduction
What are minerals and functions?
Answer: Minerals describe a whole collection of elements needed to build bones, teeth, keep our body functioning and keep us healthy.
- What causes smoker to cough?
- Where does bacteria in faeces come from?
- How does blood flow in veins?
- What blood is found on right hand side?
- What is digestion?
- What are Cilia and why are they important?