Mention if the following statements are true (T) or false (F)

1. Intestinal villi have a lymph vessel called lacteal.
2. Intestine is narrow for fast movement of food.
3. Large intestine secretes no enzymes.
4. Bile neutralizes the acid content of the food received from the stomach.
5. Pancreatic juice has enzymes to digest all the major components of food.
6. The anus is surrounded by circular muscles.

Name the following :

1. The three subdivisions of the small intestine.
2. The three subdivisions of the large intestine.

What are the end-products of digestion of :

1. Proteins
2. Fats
3. Starch
4. Sucrose

Fill in the blanks.

1. Liver stores glucose as …………… .
2. Liver produces …………… only in embryo.
3. Urea is produced in …………… by the deamination of extra…………… .
4. For testing the action of saliva on starch, the material has to be kept at a temperature of about …………… °C.