Front | What methods are used to keep you warm and how? |
---|---|
Back | Insulation: Fat retains heat and hairs trap warm air Vasoconstriction: Arterioles constrict to move blood away from the skin Shivering: Muscle activity generates heat |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Skin methods cool vasodilation arterioles dilate blood sweating
Previous card: Layer capillaries located dermis the
Up to card list: IGCSE Biology Summary