The double circulation of vertebrates is named as such because of the presence ofMultiple choice question.two types of fluid (blood and lymph).two types of vessels (arteries and veins).two circuits (pulmonary and systemic).

The given diagram shows double circulation of blood in a mammal.The blood vessel H representsA. vena cava.B. dorsal aorta.C. femoral artery.D. pulmonary vein.HBlood capillaries in lungsBlood capillaries in body tissues

Select all that applyWhich of the following are the two circuits in the double circulation of vertebrates?Multiple select question.Limbic circulationBrain circulationPulmonary circulationSystemic circulation

In the double circulation of vertebrates which of the following carry the blood to the lungs?Multiple choice question.Pulmonary ventriclesPulmonary arteriesAortaPulmonary vein

Describe the double circulation of blood in human beings. Why is it necessary?

The fluid that bathes tissues of invertebrates with an open circulatory system is calledMultiple choice question.lymph.plasma.hemolymph.blood.bile.