To maintain a steep concentration gradient hence facilitate exchange of gases, both Oxygen, and Carbon (IV) oxide.
johnmulu answered the question on May 3, 2017 at 12:17
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b) Name an organism which has single circulatory system
c) Name the opening to the chamber of the heart of an insect
Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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b) Name the muscles found in the following organs (i) Stomach ...(ii) Bone ...(Solved)
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b) Name the muscles found in the following organs (i) Stomach ...(ii) Bone ...
Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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The diagram below shows blood circulation in a mammalian tissue.
a) Name the part labeled P and Q.
b) Name the substances that are:
i) Required for respiration that move out of capillaries;
ii) Removed from tissue cells as a result of respiration
c) Name one component of the blood that is not found in the part labeled P.
Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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b) Name a disease that causes thickening and hardening of arteries (Solved)
a) State three structural difference between arteries and veins in mammals.
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Date posted: May 3, 2017. Answers (1)
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b) Name an organism which has single circulatory system
c) Name the opening to the chamber of the heart of an insect (Solved)
a) what is a single circulatory system
b) Name an organism which has single circulatory system
c) Name the opening to the chamber of the heart of an insect
Date posted: May 3, 2017. Answers (1)
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b) State the adaption that enables the red blood cells to move in the blood capillaries. (Solved)
a) Name the antigens that determine human blood groups
b) State the adaption that enables the red blood cells to move in the blood capillaries.
Date posted: May 3, 2017. Answers (1)
- a) What prevents blood in veins from flowing backwards?
b) State two ways in which the red blood cells are adapted to their function. (Solved)
a) What prevents blood in veins from flowing backwards?
b) State two ways in which the red blood cells are adapted to their function.
Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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The diagram below shows a vertical section through a mammalian heart.
a) Name the parts labeled A, B, E and F.
b) Give a reason why the wall of chamber C is thicker than chamber D
Date posted: May 3, 2017. Answers (1)