Observe the given heart

(a) Draw flow of deoxygenated blood.

In adult human heart valves that allow the flow of oxygenated blood are

Observe the given heart . c) From which blood vessels heart receives blood?

What might be the reason for renal vein carries, pure deoxygenated blood ?

The partial pressure of O_2 in atmospheric air, alveoli, deoxygenated blood, oxygenated blood and tissues respectively (in mm Hg) is

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

Partial pressure of CO_2 in alveoli, oxygenated blood, deoxygenated blood, tissue respectively in mm Hg) are

observe the energy flow in the flow chart

Observe this flow chart and write about it.

Read the following sentences. (1) Blood vessels carry blood from body parts are veins (2) Arteries are not strong as veins (3) Pulmonary artery carrles blood from.heart to lungs (4) Superior venacava collects deoxygenated blood from upperpart of the body like head and neck. What are correct sentences ?

Fill in the blanks: The condition in which skin turns blue due to excessive amount of deoxygenated blood in the body is termed as ___________________.