Question

37. Choose the INCORRECT functions of blood circulation system in the human body:
a. Venous blood is returned to the right atrium through superior and inferior venacava.
b. Pulmonary vein caries oxygenated blood from the lungs to the left atrium.
C. Pulmonary artery returns deoxygenated blood from the body to the lungs.
d. Left auricle receives deoxygenated blood from the lungs.

Answer 1

Answer:

Option 'd' is wrong

Explanation:

Left auricle recieve oxygenated blood from lungs. And from right auricle deoxygenated blood goes to lungs by pulmonary artery. This blood is oxygenated by lungs and supplied to the left auricle by pulmonary vein

Answer 2

Ans..4

Statement 4 is wrong .

Left auricle or left atrium recieves oxygenated blood from lungs by pulmonary vein.

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Option c seems to be wrong but it is actually not wrong ....with the help of heart as an intermediate organ ,pulmonary artery returns deoxygenated blood to lungs.