Which of the following structures is found between the right atrium and the right ventricle in a mammal?Multiple choice question.The SA nodeThe aortic valveThe tricuspid valveThe bicuspid valve
Question
Which of the following structures is found between the right atrium and the right ventricle in a mammal?Multiple choice question.The SA nodeThe aortic valveThe tricuspid valveThe bicuspid valve
Solution 1
The structure found between the right atrium and the right ventricle in a mammal is the tricuspid valve. This valve prevents the backflow of blood from the right ventricle to the right atrium when the heart contracts. The SA node is located in the right atrium, but it's not between the right atrium and ventricle. The aortic valve is between the left ventricle and the aorta, and the bicuspid valve (also known as the mitral valve) is between the left atrium and the left ventricle.
Solution 2
The structure found between the right atrium and the right ventricle in a mammal is the tricuspid valve. This valve prevents the backflow of blood from the right ventricle to the right atrium when the heart contracts.
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