Which of the following blood vessel carries impure blood from heart to lungs for purification? *
Pulmonary vein
Pulmonary artery
Capillaries
None of them
Other:

Pulmonary Artery

Explanation:

The pulmonary artery carries deoxygenated blood to the lungs. The blood becomes oxygenated in the lungs. Oxygenated blood leaves the lung via the pulmonary vein. Blood enters the left atrium.

Explanation:

The bill and feet of a platypus makes them well adapted for survival in their environment, the deciduous forest. This is because of their wide nails for digging burrows, its webbed feet and its ability to grind food with modified teeth on the upper part of their bill. The answer is c.