Unit 5 First aid课件 新人教必修5
Unit 5 First aid课件 新人教必修5第4页

Careful-reading:

Part1: The functions of skin Our body’s largest organ is ______. We have _______ _______ of the skin. Your skin ______ you _______ or _______. It _______ your body ______ ______ ______. It gives you your ______ ______ _______.

skin

three

layers

keep

warm

cool

prevents

from

losing

water

sense

of

touch