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a) S – Umbilical vein;
T – Umbilical artery;
b) Q – Carbon (IV) oxide;
Nitrogenous wastes;
R - Oxygen;
- Nutrients;
- Hormones;
- Antibodies;
c) The delicate blood vessels of the foetus would not burst due to the higher blood pressure in the material circulatory system;
d) i) Progesterone;
ii) Maintains pregnancy;
sharon kalunda answered the question on September 17, 2019 at 13:48
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Study carefully the photograph shown below.
a) (i) Identify the cells above.
(ii) State two functions of the cells shown above.
b) Explain how the above cells are adapted to their function.
c) Name a parasite that may invade and destroy the cells above.
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Kingdom – Animalia
Phylum – Arthropoda
Class – Arachnida
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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a) With reason identify E and F
E
Reason
F
Reason
b) On photograph E label two parts of the specimen.
Date posted: September 17, 2019. Answers (1)
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With a reason name the classes to which specimen J1 J2 K1 and K2 belongs
J1 and J2
Reason
K1 and K2
Reason
b) i) Name the parts labeled X in specimen J1
ii) What is the importance of the curvature
c) Explain how the curved part in J1 WILL straighten so that the stem will look that of J2
d) Name the part that protects the plumule in specimen K1 and K2
e) Which of the following types of seedlings may form swelling on the roots later in its life?
f) i) Name the structure found on the stem just below the leaves of specimen J2
ii) State one function of the structure named in (i) above.
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ii) Give a reason for your answer in g (i) above
Date posted: September 17, 2019. Answers (1)
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a) State the process labeled A and D.
b) Name the group of organism labeled .
c) Name the compound represented by B.
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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b) State the actions of each of the following parts when the body temperatures fall below the normal.
i) Part B
ii) Part C
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d) Explain one biological mechanism through which the skin offers protection to the body.
Date posted: September 17, 2019. Answers (1)