(a) What is common for Cuscuta, ticks and leeches ? (b) Name the substances on which the following
Channel: Doubtnut
Date: 2020-01-26

(a) What is common for Cuscuta, ticks and leeches ? (b) Name the substances on which the following enzymes act in the human digestive system: 9i) Trypsin (ii) Amylase (iii) Pepsin (iv) Lipase (c) Why does absorption of digested food occur mainly in the small intestine ?