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 is job of phloem?
- How are these parts arranged?
- What is blood?
- How long is digestive tract?
- How does temperature affect rate of transpiration?
- What are Cilia and why are they important?