Topic: Human Digestive System Subtopic: Problems with digestive system
Why does constipation occur?
Answer: Constipation occurs if the faeces is stored in the rectum for a lot of time. During this time period, the water from the faeces is absorbed making it it hard, thick and dry. Thus it is difficult for the anus muscles to egest it easily.
- What is concentration of components in deoxygenated blood?
- What is activation energy?
- What is absorption?
- Why is iron important?
- How can large molecules pass through digestive tract?
- What happens to food in stomach?