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WorksheetsTransport in human
Total questions: 15
Worksheet time: 37mins
The diagram shows the front view of a human heart.
Letters P, Q, R and S indicate the different chambers of the heart.
Which of the following shows the sequence in which a blood cell returning from other parts of the body passes through the four chambers of the heart?
R-S-P-Q
Q-S-R-P
P-R-Q-S
S-R-P-Q
The bar chart shows the concentration of oxygen in blood sampled at four places in the circulatory system of a human.
Which blood sample was taken from the pulmonary vein?
A
B
C
D
Coronary heart disease can be caused by all of the following factors except
fatty deposits on the inner surface of the heart
formation of blood clot in an artery
a diet rich in saturated fats
a stressful lifestyle
What causes the sounds of a heartbeat?
The backflow of blood hitting the heart muscles.
The closure of the semi-lunar valves, bicuspid valve and tricuspid valve.
The flow of blood into the left and right atria.
The return of blood into the heart from the vena cava and pulmonary vein.
Identify the blood vessel labelled B.
Aorta
Pulmonary artery
Pulmonary vein
Vena cava
What is the function of the blood vessel labelled D?
To transport blood from the heart to the lungs
To transport blood from the heart to the rest of the body.
To transport blood from the rest of the body to the heart.
To transport blood from the lungs to the heart.
The diagram shows a section through the human heart.
What happens as blood pumped out of the heart?
2015 Q31
semi lunar valves:close
blood passes to the lungs through vessel: 1
semi lunar valves:close
blood passes to the lungs through vessel: 2
semi lunar valves:open
blood passes to the lungs through vessel: 1
semi lunar valves:open
blood passes to the lungs through vessel: 2
Which statements about veins is correct? 2016 Q29
They have thick walls with valves.
They have thick walls without valves.
They have thin walls with valves.
They have thin walls without valves.
