Mammals can also generate little bursts of heat by
muscle contractions circulation exhalation Temperature changing Movement of an air mass flow of electrons vibrations with their fur
A B C D E F G H
Shivering causes muscle contractions to warm the body.
Mammals can also generate little bursts of heat by muscle contractions
Mammals can also generate little bursts of heat by (A) muscle contractions (B) circulation (C) exhalation (D) Temperature changing (E) Movement of an air mass (F) flow of electrons (G) vibrations (H) with their fur