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.
- Does bronchi and bronchioles process air?
- How does air enter our lungs?
- How does white blood cell deplete germ?
- Which muscles make our chest move?
- Why is it better to breathe through nose?
- What are pacemakers?