1:To avoid accumulation of waste products to toxic levels
2:To remove excess heat which may burn the cells
3:To prevent the accumulation of alkaline or acidic substances which completely altar the PH of the body
Evanxt Mwandyk answered the question on May 21, 2019 at 18:54
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Explain the reason why growing grass dries when salt is sprinkled on it?
(Solved)
Explain the reason why growing grass dries when salt is sprinkled on it?
Date posted:
May 4, 2019
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Answers (1)
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What is the role of pepsin?
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What is the role of pepsin?
Date posted:
April 28, 2019
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Answers (1)
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Name two chemicals used to immobilize highly mobile animals during collection of small animals
Date posted:
April 28, 2019
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Name three methods mammals use to lose heat from their bodies
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Name three methods mammals use to lose heat from their bodies.
Date posted:
April 26, 2019
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List down the three theories that explain the opening and closing of stomata.
Date posted:
April 26, 2019
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State two functions of mucus produced along the alimentary canal
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State two functions of mucus produced along the alimentary canal.
Date posted:
April 26, 2019
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Answers (1)
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Explain how body size affect the rate of transpiration in animals
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Explain how body size affect the rate of transpiration in animals.
Date posted:
April 23, 2019
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Name the different types of joints in the body
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Name the different types of joints in the body.
Date posted:
April 22, 2019
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Essay on how the small intestines are adapted to their function
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Essay on how the small intestines are adapted to their function
Date posted:
April 21, 2019
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Answers (1)
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State four reason why water is significant in seed germination.
(Solved)
State four reason why water is significant in seed germination.
Date posted:
April 17, 2019
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Answers (1)
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Explain how the following occurs during gene mutation (1) Deletion (2) Inversion
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Explain how the following occurs during gene mutation (1) Deletion (2) Inversion
Date posted:
April 17, 2019
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Answers (1)
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State three measures taken to control protozoan diseases
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State three measures taken to control protozoan diseases.
Date posted:
April 13, 2019
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Answers (1)
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Explain a mechanism through which a body maintains a constant body temperature?
(Solved)
Explain a mechanism through which a body maintains a constant body temperature?
Date posted:
April 11, 2019
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Answers (1)
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A certain animal has no incisors no canine 6 premolars and 6 molars in its upper jaw.Ln the...
(Solved)
A certain animal has no incisors no canine 6 premolars and 6 molars in its upper jaw. In the lower jaw there are 6 incisors 2 canine 6 premolars and 6 molars. Write its dental formula.
Date posted:
April 10, 2019
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Answers (1)
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Describe the Darwin theory of natural selection
(Solved)
Describe the Darwin theory of natural selection.
Date posted:
April 9, 2019
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Answers (1)
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The photomicrographs below shows the male and female flowers of maize plant.
(a) With reference to the photos, describe how the flowering habit of maize encourages...
(Solved)
The photomicrographs below shows the male and female flowers of maize plant.
(a) With reference to the photos, describe how the flowering habit of maize encourages wind
Pollination
(b) In a maize plant, the anthers normally ripen before the stigmas are mature and ready to receive
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Date posted:
April 1, 2019
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Answers (1)
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Below is a photograph depicting interaction of organisms in a certain ecosystem(a) Name the type of ecosystem shown.(b) (i) Name any three living organisms you...
(Solved)
Below is a photograph depicting interaction of organisms in a certain ecosystem
(a) Name the type of ecosystem shown.
(b) (i) Name any three living organisms you can observe in the photograph in order of their
trophic levels
(ii) What feeding relationship is exhibited by the animals shown in the photograph
(c) (i) Give three adaptations of each animal regarding the feeding relationship mentioned in b (ii)
above
(ii) Draw a simple food chain to represent the food relationship in the ecosystem shown in the
photograph.
Date posted:
April 1, 2019
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Answers (1)
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The diagram below represents a structure found in one of the labelled parts of the gut. Study it
and answer the questions that follow.
(i) Name the...
(Solved)
The diagram below represents a structure found in one of the labelled parts of the gut. Study it
and answer the questions that follow.
(i) Name the structure.
(ii) State its function
(iii) Name each of the vessels marked X and Y
(iv) State two ways in which the structure is adapted to its functions
Date posted:
April 1, 2019
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Answers (1)
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Explain why images that form on the blind spot are not perceived.
(Solved)
Explain why images that form on the blind spot are not perceived.
Date posted:
April 1, 2019
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Answers (1)
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How does the human eye obtain nutrients
(Solved)
How does the human eye obtain nutrients
Date posted:
April 1, 2019
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Answers (1)