Topic: Human Digestive System Subtopic: Introduction
What are vitamins and functions?
Answer: Vitamins are needed in small quantities but they are important for health. vitamins are essential for our organs e.g. vitamin A for eyes, vitamin B for health, vitamin C for teeth and gums, vitamin D for absorption of Calcium into the bones and vitamin E for muscle building and nervous system.
- What happens to chest when we inhale?
- How is energy formed?
- How is pulse detected?
- What is Nicotine?
- How can indigestion cured?
- How long is digestive tract?