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 transpiration?
- What is major component of respiration?
- What is anaerobic respiration?
- What are properties of vessels?
- What is job of heart?
- What is root pressure?