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WorksheetsTransport in Animals
Total questions: 15
Worksheet time: 8mins
Observe the image well. Then choose the correct statement.
A is an artery since it has the biggest lumen to carry more blood.
A is a vein since it is very elastic.
B is an artery because it has thick muscular and elastic walls.
B is a vein since all veins have a small lumen
Capillaries are the link between arteries and veins. Capillaries are efficient because: (Tick all the right answers)
1 cell thick for a short diffusion distance
Blood in them travels at a very high speed to ensure diffusion
Blood in them travels at a very low speed to ensure diffusion
The network of capillaries creates a large SA for efficient diffusion.
A blood sample showed that the white blood cell count was very high. Explain this result.
The body needed to build more energy
The body needed to carry nutrients around the body
The body was healthy, and no signs of infections were visible.
The body was fighting off pathogens.
Mammals have a double circulatory system. This means that
Oxygenated blood passes twice through the heart
Deoxygenated blood passes twice through the heart
The heart pumps deoxygenated blood to lungs and oxygenated blood to rest of body
a mixture of oxygenated and deoxygenated blood is pumped out of heart to the rest of body
What is the function of lymphocytes?
Transport oxygen around the body
Engulf and digest pathogens
Produce antibodies which destroy pathogens
Clot together to prevent bleeding
Which of the following statements is true regarding the lymphatic system?
It destroys the immunological defence in body.
It transports interstitial fluids back to the blood.
It transports plasma cells to the site of infection in the body.
It filters the antigen that enters the body from respiratory system.
The diagram shows part of the human circulatory system. Which part carries oxygenated blood at low pressure?
A
B
C
D
What part of the heart delivers unoxygenated blood to the lungs?
Pulmonary artery
Pulmonary vein
Aorta
Left Ventricle
Pulmonary veins take unoxygenated blood away from the heart.
True
False
Which substances are dissolved in human blood plasma?
carbon dioxide, haemoglobin and glucose
carbon dioxide, oxygen and haemoglobin
glucose, hormones and urea
oxygen, urea and starch
Which statement is correct for most veins in the human body?
They carry blood at high pressure.
They have a pulse.
They have valves.
They take blood away from the heart.
The diagrams show some components of the blood of a mammal. Which component causes the blood to start clotting?
A
B
C
D
What is the correct sequence for blood being pumped from the heart to the lungs?
left atrium → left ventricle → pulmonary artery
left atrium → left ventricle → pulmonary vein
right atrium → right ventricle → pulmonary artery
right atrium → right ventricle → pulmonary vein
Why do arteries have a thick muscle layer?
To provide energy for the blood vessel.
To prevent the blood flowing backwards.
To help withstand the high pressure blood and to control blood flow.
To facilitate diffusion.
What blood vessel provides the heart with its own blood supply?
Vena Cava
Aorta
Coronary Artery
Pulmonary Artery
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