double circulation in heart

Pulmonary veins carry ______(i)_______ -rich blood from _____(ii)________ to _______(iii)_________.

• (i) carbon dioxide (ii) lungs (iii) heart

• (i) carbon dioxide (ii) heart (iii) lungs

• (i) oxygen (ii) lungs (iii) heart

• (i) oxygen (ii) heart (iii) lungs

Name the vein which carries deoxygenated blood body to heart.

• vena cava

• aorta

• pulmonary artery

• pulmonary vein

Which among them is not a blood vessel

• Artery

• Vein

• Nerves

• Capillaries

What is the function of blood vessels?

• They pump blood to the heart

• They carry blood to all parts of the body

• They carry messages from brain to muscles

• They filter impurities from the heart

How many chambers are there in the heart?

• 2

• 3

• 4

• 0

Which of the following part of the heart first receives deoxygenated blood?

• right ventricle

• right atrium

• left atrium

• left ventricle

The organ that powers the circulatory system is

• heart

• lungs

• brain

• body as a whole

The system that transports blood to all parts of the body

• respiratory

• circulatory

• digestive

• excretory

Blood vessels that connect arteries to veins is

• Aorta

• Nerves

• Vena cava

• Capillary

Which of the following options is correct for the circulation of deoxygenated blood

• body - left atrium- left ventricle- lungs

• lungs - left atrium - left ventricle - body

• body - right atrium - right ventricle- lungs

• lungs - right atrium - right ventricle - body