CHAPTER 10.1

which of the following statements is true about transportation in multicellular organisms?

• has a large total surface area to volume ratio

• has size that usually small and thin

• the exchange of substances between body cells and the external environment cannot happen through diffusion

• the body cells are close to the external environment

which of the following is the type of circulatory system in fish?

• closed and complete double circulatory system

• closed and single circulatory system

• open and and single circulatory system

• open and incomplete double circulatory system

which blood vessels transports oxygenated blood to the whole body?

• aorta

• vena cava

• pulmonary artery

which of the following is true about the human circulatory system?

• all veins transport deoxygenated blood

• the blood vessels that transport blood away from the heart are arteries except pulmonary artery

• mesentric vein transports blood from the small intestine to the vena cava

• pulmonary vein transport oxygenated blood to the heart

the blood of the insect is called _____________

• plasma

• haemolymph

• lymph

• erythrocytes

which of the following is the type of circulatory system in frog?

• open and single circulatory system

• closed and complete double circulatory system

• closed and single circulatory system

• closed and incomplete double circulatory system

which of the following number of heart cavities for amphibians?

• the heart is made up of many cavity segments

• three (two atria and one ventricle)

• two (one atrium and one ventricle)

• four (two atria and two ventricles)

when the heart relaxes, haemolymph flows back into the heart through tiny opening called __________

• heart

• haemocoel

• ostium

• aorta

the heart of fish has _____ chambers

• three

• four

• two

• one

in human circulation, the deoxygenated blood returns to the right atrium through _________________

• aorta

• vena cava

• vena pulmonary

• artery pulmonary