(a) What is common for Cuscuta, ticks and leeches? (b) Name the substances on which the following enzymes act in the human digestive system : (i) Trypsin (ii) Amylase (iii) Pepsin (iv) Lipase (c) Why the absorption of digested food occurs mainly in the small intestine?
Explain the function of lymph with reference to
1.Absorption of fats
2.Defence mechanism
Also explain what are lymphatics with reference to absorption of fats.
Name the parts of the large intestine. In which part does absorption of water and formation of feces take place?