Birds are endothermic, meaning they maintain a constant interal body temperature. They keep warm by adjusting their feather angle and rapidly contracting large muscle groups (in humans this is called shivering).
what is the source of body warmth of bird
They create it as part of their metabolism, the activities of living, growing, and moving.
the heart
Food.
what is the source of body warmth of bird
t he frog are cold blooded ???
Reptiles are cold bloode, ergo their body temp. Changes depending on the climate or temp. Around them
Yes, warmth is used as both a concrete noun and an abstract noun. The noun warmth can be felt physically from a source of heat, or warmth can be felt emotionally from a source of comfort or kindness.
God created the sun to give us all warmth.
the heart
hair gives you warmth and that warmth keeps your body temperature up
The source of warmth in an incubator usually comes from a light bulb. There is sometimes also a fan to move the heat from the bulb around inside the unit.