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.
- How much is life of red blood cell?
- What is hemophilia?
- What is meant by word extinct?
- Where are red blood cells made?
- What are pacemakers?
- What are Cilia and why are they important?