In frog, deoxygenated blood is received by

Which deoxygenated blood?

Which one of the following conditions is NOT responsible for the presence of deoxygenated blood in the arteries of a newborn?

In some animals the oxygenated and deoxygenated blood are mixed .

What is the pO_(2) in the oxygenated blood and deoxygenated blood?

In humans , deoxygenated blood flows from:

In humans , deoxygenated blood flows from:

Every 100 mL of deoxygenated blood delivers approximately

Every 100 mL of deoxygenated blood delivers approximately

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