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11. Transport in humans
A section of Biology, 5090
Listing 10 of 276 questions
shows a section through the heart. Identify blood vessels M, N and O in . M N O Name the type of tissue which forms the major part of the heart and name the blood vessel which supplies this tissue with oxygen unless it is blocked by heart disease. type of tissue blood vessel On , draw, in the correct position, and label the semilunar valves, the tricuspid valve, the bicuspid valve. left atrium right ventricle N M O Use [T 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.
5090_w05_qp_2
THEORY
2005
Paper 2, Variant 0
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Questions Discovered
276