In which animal does blood flow from the pulmocutaneous circulation to the heart

Question

In which animal does blood flow from the pulmocutaneous circulation to the heart before circulating through the rest of the body? A) annelid B) mollusc C) fish D) frogs E) insect In which type of heart is there mixing of oxygenated and deoxygenated blood? A) Fish B) frog C) crocodile D) all of the above E) none of the above Which of the following contains oxygenated blood in an adult human? A) right atrium B) pulmonary art C) pulmonary vein D) all of the above E) none of the above Where are semilunar valves to be found in a mammalian heart? A) where blood goes from atria to ventricles B) on the right side of the heart only C) where the pulmonary veins attach to the heart and pulmonary arteries D) at the places where blood leaves via the aorta E) at the places where the anterior and posterior venae cavae enter Which sequence of blood flow can be observed in a mammal? A) left ventricle rightarrow aorta rightarrow lungs rightarrow systemic circulation B)

Explanation / Answer

1. D) Frog

2. Frogs have three chambered heart hence mixing

3. Pulmonary vein contains oxygenated blood

4.Where the blood leaves via the aorta and pulmonary arteries

5 Answer is D

5.

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