a) i) Transport is the Movement of substances from one pan of the body to another.
ii) -make nutrients move from one point to another
-movement of respiratory gases i.e. oxygen and carbon IV oxide
-elimination of metabolic wastes
-movement of hormones
-movement of water
-movement of salts
-movement of enzymes
b) i) -root hairs are found near the root tip
-they are cells with elongated ?nger-like projections which are in contact with soil particles.
-they are permeable to water and mineral salts hence are used to absorb Water and mineral salts.
-Their large number offers a large surface area for absorption of water and mineral salts.
ii) State ways in which the root hairs are adapted to their functions
-the root hair is long/narrow/numerous to increase surface area for absorption of water and mineral salts.
-many mitochondria in cytoplasm to supply energy for active transport of mineral salts.
-are thin walled to speed up rate of absorption of Water and mineral salts.
Anganifelix answered the question on May 13, 2018 at 15:46
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