Skin Introduction

If stretched out flat, the average person’s skin would take up 2 square metres.

• True

• False

The skin makes up ____ % of the weight of a human

• 5%

• 85%

• 40%

• 15%

The blood vessels of the skin would stretch on for ____ km

• 3km

• 18km

• 7km

• 1km

A square inch of skin contains ____ cells

• 500,000

• 1,000,000

• 2,000,000

• 20,000,000

Your skin sheds 30,000 cells per day

• True

• False

The skin renews itself every 28 days

• True

• False

Dead skin contributes to a billion tons of dust in the earth’s atmosphere

• True

• False

Your skin houses up to 1000 different bacteria

• True

• False

Scar tissue contains hair and sweat glands

• True

• False

The reflex to pull your hand away from heat is a message sent from the brain

• True

• False