WorksheetsTransport in Humans (End of Topic 2022)
Total questions: 11
Worksheet time: 6mins
What are X, Y, and Z?
X: artery
Y: capillary
Z:
X: artery
Y: vein
Z: capillary
X: vein
Y: artery
Z: capillary
X: vein
Y: capillary
Z: artery
Which process is not a function of a white blood cell?
antibody formation
blood clotting
phagocytosis
tissue rejection
The diagram shows a section through the human heart.
What happens as blood is pumped out of the heart?
semi-lunar valves: close
blood passes to lungs: vessel 1
semi-lunar valves: close
blood passes to lungs: vessel 2
semi-lunar valves: open
blood passes to lungs: vessel 1
semi-lunar valves: open
blood passes to lungs: vessel 2
Which statement about veins is correct?
They have thick walls with valves.
They have thick walls without valves.
They have thin walls with valves.
They have thin walls without valves.
The diagram shows changes in pressure in the aorta and the left ventricle during one complete heart beat.
What causes the increase in pressure at point X?
contraction of the left atrium
contraction of the left ventricle
relaxation of the left atrium
relaxation of the left ventricle
What is a function of platelets?
activating fibrinogen
antibody formation
oxygen transport
phagocytosis
The diagram shows the right-hand side of the human heart when the ventricle is relaxed.
Which row correctly describes the position of the valves X and Y when the ventricle contracts?
valve X: closed
valve Y: closed
valve X: closed
valve Y: open
valve X: open
valve Y: closed
valve X: open
valve Y: open
Which component of the blood causes clotting?
plasma
platelets
red blood cells
white blood cells
Which valves will open when the ventricles contract?
1 and 2
1 and 4
2 and 3
3 and 4
Which valves will close when the ventricles contract?
1 and 2
1 and 4
2 and 3
3 and 4
What is happening at X and W?
W: AV valve close
X: semi-lunar valve open
W: AV valve open
X: semi-lunar valve close
W: semi-lunar valve close
X: AV valve open
W: semi-lunar valve open
X: AV valve close
