Question 1
Question
mammals have ___ in which the blood is pumped by a powerful muscular heart and circulated in a continuous system of tubes -arteries, veins and capillaries- under pressure.
Answer
-
a closed circulation
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an open circulation
Question 2
Question
The heart is divided into four chambers and blood flows from the ___ side of the heart to the ___ and then back to the ___ side.
Answer
-
right | lungs | left
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left | lungs | right
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right | body | left
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left | body | right
Question 3
Question
As blood passes ___ through the heart, it is called a ___ circulation.
Answer
-
thrice | double
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twice | single
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twice | double
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four times | double
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once | double
Question 4
Question
Advantages of the circulatory system of mammals are:
Answer
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oxygenated blood reaches respiring tissues undiluted by deoxygenated blood.
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simultaneous low-pressure delivery of oxygenated blood to all regions of the body.
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simultaneous high-pressure delivery of oxygenated blood to all regions of the body.
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the heart is very strong and so is able to continue pumping blood.
Question 5
Question
Blood is a special tissue consisting of a liquid medium called ___ in which ___ ( red cells), ___ (white cells) and ___ are suspended.
Answer
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plasma | erythrocytes | leucocytes | plates
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plasma | leucocytes | erythrocytes | palets
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plasmodium | erythrocytes | leucocytes | platelets
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plasma | erythrocytes | leucocytes | platelets
Question 6
Question
The erythrocytes are in the transport of reparatory gases.
Question 7
Question
Plasma transports:
Question 8
Question
Erythrocytes transport:
Answer
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oxygen
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dissolved proteins
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carbon dioxide
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antibodies
Question 9
Answer
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transport carbon dioxide
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form antibodies
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fight antibodies
Question 10
Answer
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form bacteria
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form antibodies
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ingest bacteria
Question 11
Question 12
Question
Arteries carry blood to the heart.
Question 13
Question
Arteries carry blood away from the heart and veins do the opposite.
Question 14
Question
Capillaries are..
Question 15
Question
Both arteries and veins have strong walls, but the walls in veins are much thicker and stronger.
Question 16
Question
In comparison to arteries and veins where the walls are strong due to the presence of ___ , capillaries' walls only consist of ___.
Answer
-
collagen fibres | endothelium
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endothelium | collagen fibres
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collage fibres | endothelial cells
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epithelial fibres | endothelium
Question 17
Question
Veins have valves at intersections to prevent backflow.
Question 18
Question
The ___ side of the heart pumps ___ blood to the ___, and the arteries, veins and capillaries serving the ___ are known as ___ circulation.
Answer
-
left | deoxygenated | lungs | lungs | pulmonary
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right | oxygenated | body | body | pulmonary
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right | deoxygenated | lungs | lungs | pulmonary
Question 19
Question
Arteries, veins and capillaries serving the ___ side of the heart by taking blood to ___ are known as the ___ circulation.
Answer
-
right | body cells | systemic
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right | body cells | pulmonary
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right | the lungs | systemic
Question 20
Question
arteries connect to the main ___ and veins join the ___ carrying blog back to the heart.
Answer
-
aorta | vena cava
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vena cava | aorta
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semi luna valves
Question 21
Question
The branching sequence for circulation is:
Answer
-
artery > aorta > arteriole > capillary > venule > vein > semi lunar valve
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aorta > artery > arteriole > capillary > venule > vein > vena cava
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vena cava > vein > venule > capillary > arteriole > aorta > artery
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aorta > artery > venule > capillary > arteriole > vein > vena cava