Topic: Human Digestive System Subtopic: Introduction
What are fats and functions?
Answer: Fats are stored as layers of insulation under the skin. fats produce twice as much energy as carbohydrates. About quarter of our energy we use each day comes from fats.
- What are stamens?
- How does temperature affect rate of transpiration?
- What is stigma?
- How does water and mineral salts reach xylem vessels?
- Where is blood taken after lungs?
- What happens when blood enters ventricles?