Which two structures increase the surface area of absorption of small intensine?

The surface area of a cuboid is

What are the units of absorption in the small intestine of man

The surface area of a cube if its edge is a is?

Explain absorption of food in the small intestine.

Describe the factors which affect the rate of absorption of water.

Which gas reduces the capacity of absorption of oxygen in blood?

Fill in the following sentences with the suitable words: The …………………….. Are root like structures which help in anchorage and absorption of water in bryophytes.

Read the following passage and answer the questions. Adsorption is surface phenomenon and its differ from absorption, Which occurs throughout the body of the substance which absorbs. In physisorption, the attractive forces are mainly van der waals forces while in chemisorption actual bonding occurs between the particles of absorbent and absorbate. Generally, easily liquifying gases are absorbed more easily on the surface of a solid as compared to the gases which are liquified with difficulty. Adsorption increases with the increase in pressure and decreases as the temperature is increased. Is the process of adsorption exothermic or endothermic ?