Question

1)Why do multicellular organisms need a transport system?

Answer Choices:
a) To Increase the surface area to volume ratio of their bodies
b) To move molecules internally when the rate of diffusion would be too slow
c) To provide additional exchange surfaces

2)Which path describes the movement of oxygenated blood?

Answer Choices:
a) Vena cava to right atrium to right ventricle
b) Pulmonary vein to left atrium to left ventricle
c) Right ventricle to pulmonary artery to lungs

Answer 1

Answer:

1 :- (a) To increase the surface area to volume ratio of their bodies.

2:- (b) Pulmonary vein to left atrium to left ventricle