-They have low concentration in digested food than in blood streamv
-They are of large size compared to villi poresv
Kipssben answered the question on August 25, 2018 at 08:27
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Identity the source of urea that is removed via kidney in a healthy person
(Solved)
Identity the source of urea that is removed via kidney in a healthy person.
Date posted:
August 25, 2018
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Answers (1)
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Name three examples of petals
(Solved)
Name three examples of petals
Date posted:
August 25, 2018
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Answers (1)
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Name sites of erythrocytes are produce in (a) Foetus (b) adults
(Solved)
Name sites of erythrocytes are produce in
(a) Foetus
(b) adults
Date posted:
August 22, 2018
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Answers (1)
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(a) Define the term oxygen debt (b) Describe briefly how lactic acid is eliminated after vigorous exercise
(Solved)
(a) Define the term oxygen debt
(b) Describe briefly how lactic acid is eliminated after vigorous exercise
Date posted:
August 22, 2018
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Answers (1)
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During a practical session of dissecting a rabbit in laboratory, student observed the following
(Solved)
During a practical session of dissecting a rabbit in laboratory, student observed the following:
When cut, two blood vessels showed different shapes, one was stiff while another one collapsed immediately after blood oozed out. Explain the observation.
Date posted:
August 22, 2018
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Answers (1)
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State the role of sebaceous glands
(Solved)
State the role of sebaceous glands.
Date posted:
August 20, 2018
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Answers (1)
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(a) Define the term mutation (b) State two human disorders resulting from gene mutation
(Solved)
(a) Define the term mutation
(b) State two human disorders resulting from gene mutation
Date posted:
August 20, 2018
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Answers (1)
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What is meant by the following terms in each give examples? (I) Homologous structure (2)Analogous structure
(Solved)
What is meant by the following terms in each give examples?
(I) Homologous structure
(2)Analogous structure
Date posted:
August 20, 2018
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Answers (1)
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Name the structures in liverworts that produce (a) Male gametes (b) Female gametes
(Solved)
Name the structures in liverworts that produce
(a) Male gametes
(b) Female gametes
Date posted:
August 20, 2018
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Answers (1)
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Explain how a dark greyish substance develops on a moist piece of bread
(Solved)
Explain how a dark greyish substance develops on a moist piece of bread.
Date posted:
August 20, 2018
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Answers (1)
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Give three advantages of breathing through the nose other than through the mouth
(Solved)
Give three advantages of breathing through the nose other than through the mouth.
Date posted:
August 17, 2018
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Answers (1)
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What do you understand by the following parts of the eye (I) Yellow spot (II) Blind spot
(Solved)
What do you understand by the following parts of the eye
(I) Yellow spot
(II) Blind spot
Date posted:
August 17, 2018
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Answers (1)
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Explain how various teeth are adapted to their function
(Solved)
Explain how various teeth are adapted to their function
Date posted:
August 16, 2018
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Answers (1)
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Explain why sweat accumulates on a person's skin in a hot humid environment
(Solved)
Explain why sweat accumulates on a person's skin in a hot humid environment.
Date posted:
August 16, 2018
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Answers (1)
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State two functions of sodium ions in human body
(Solved)
State two functions of sodium ions in human body
Date posted:
August 15, 2018
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Answers (1)
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What is basal metabolic rate?
(Solved)
What is basal metabolic rate?
Date posted:
August 15, 2018
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Answers (2)
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Explain why sweat accumulates on a person's skin in a hot humid environment
(Solved)
Explain why sweat accumulates on a person's skin in a hot humid environment.
Date posted:
August 13, 2018
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Answers (1)
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How are the gill rakers adapted to their function?
(Solved)
How are the gill rakers adapted to their function?
Date posted:
August 13, 2018
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Answers (1)
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a) What is the difference between rhesus positive and rhesus negative blood samples.b) Joy, a potential mother of blood type B rhesus negative requires a...
(Solved)
a) What is the difference between rhesus positive and rhesus negative blood samples.
b) Joy, a potential mother of blood type B rhesus negative requires a blood transfusion before her first pregnancy. What blood groups can she receive from safely? Explain your answer.
Date posted:
August 8, 2018
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Answers (1)
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Name two nutrients that do not require digestion before they are absorbed. Explain why is this so?
(Solved)
Name two nutrients that do not require digestion before they are absorbed. Explain why is this so?
Date posted:
August 7, 2018
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Answers (1)