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

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).

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

Write down the difference between the arteries, capillaries and veins.

The blood vessels that supply blood to the heart tissue are theQuestion 10Answera.pulmonary trunks.b.pulmonary veins.c.venae cavae.d.coronary arteries.e.coronary sinuses.

Describe the concept of double circulation for blood flow in human by tracingthe movement of deoxygenated blood from the limbs to the heart and lungs,before returning to the limbs with oxygenated blood. Analyse the advantage ofdouble circulation compared to single circulation.