feather
Down feathers are feathers that lie under a birds body and primary feathers. These feathers are small and puffy, and trap warm air under a bird's feathers.
no. it keeps your body cool.
Your blood. :)
Your breasts are attached to the torso, or body core where the vital organs are, which is always the warmest part of your body. Also, your breasts are kept tightly under clothing next to your body, which keeps them warm.
protects the body and keeps it warm
Male and female birds mate, and the male places sperm inside the body of the female. This fertilizes the eggs being formed inside the body of the female bird. When they are formed, the female lays the eggs in a nest, keeps them warm with her body until they hatch into baby birds.
No because their body fat keeps them warm.
keeps you warm (fat)
A bird is a warm blooded animal.no they are warm blooded
Because it traps the heat that comes from your body from escaping, so you have more heat so it keeps you warm.
your skin is not what keeps you warm its your body temperature
keeps us warm by maintaining body temperature.