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1.To lubricate the food movement.
2.To protect the alimentary canal wall from digestion by protein digesting enzymes.
Chessjohn answered the question on April 26, 2019 at 17:25
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Date posted: April 10, 2019. Answers (1)
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Describe the Darwin theory of natural selection.
Date posted: April 9, 2019. 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 wind
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Date posted: April 1, 2019. Answers (1)
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Below is a photograph depicting interaction of organisms in a certain ecosystem
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(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
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Date posted: April 1, 2019. Answers (1)
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Name the three types of muscles found in mammals and give an example of where each of them is
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Date posted: April 1, 2019. Answers (1)
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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
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(iv) State two ways in which the structure is adapted to its functions
Date posted: April 1, 2019. Answers (1)
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In humans a certain rare sexlinked recessive allele results in a disorder of the iris. This condition is
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Date posted: April 1, 2019. Answers (1)
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Date posted: April 1, 2019. Answers (1)
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Date posted: April 1, 2019. Answers (1)