Topic: Human Digestive System Subtopic: Absorption
What is faeces?
Answer: Food we eat often contains cellulose that our digestive system cannot digest. Undigested food and cellulose form faeces.
- What is quantity of re blood cells in blood?
- What are stomata?
- What is alveolus?
- What differs in types of white blood cells?
- What is quantity of platelets in blood?
- What happens when blood enters ventricles?
International Organizations Video