(c) The four statements below describe some of the events that occur during the flow of
blood through the heart By placing the numbers 1 to 4 in the boxes indicate the correct
sequence of these events starting immediately after deoxygenated blood has entered
the heart and ending as the blood is sent to the lungs
The right atrium contracts
The semilunar valves open
The right ventricle contracts
13
The tricuspid valve closes
[Total 12
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Explanation:
The four statements below describe some of the events that occur during the flow of
blood through the heart By placing the numbers 1 to 4 in the boxes indicate the correct
sequence of these events starting immediately after deoxygenated blood has entered
the heart and ending as the blood is sent to the lungs
The right atrium contracts
The semilunar valves open
The right ventricle contracts
The tricuspid valve closes
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