Explain the proccess of circulation of blood in the heart and in the body

Q. (a) Explain the process of nutrition in amoeba with the help of a diagram.
(b) With the help of a flow chart explain the process of circulation of blood between human heart and body?

Q. Explain blood circulation in human heart.

Q.

Choose the options that correctly shows the direction of blood in the heart, lungs and body and the type of circulation.

Q. Systemic circulation involves pumping of oxygenated blood to the whole body and collecting the deoxygenated blood back to the heart.

Q.

There are two circuits the blood circulates in.

Choose the options that correctly shows the direction of blood in the heart, lungs and body and the type of the circulation. (You may choose more than one option.)