Question

Ducks do not
have blood
vessels,
or nerves in
their feet!​

Answer 1

Explanation:

Ducks' feet aren't equipped with insulating layers of fat or feathers, so they have to be able to minimize how much heat they lose through their feet through blood circulation. ... Think of venous blood, cold from exposure to the air, flowing back into the body from the feet.

Answer 2

Answer:

Ducks' feet aren't equipped with insulating layers of fat or feathers, so they have to be able to minimize how much heat they lose through their feet through blood circulation. ... Then think of warm, arterial blood rushing from the heart. In animals adapted to the cold, the veins and arteries run very close together