HUMAN ANATOMY

__________ ARE THE SMALLEST BLOOD VESSELS AT ABOUT ONE - TENTH OF THE DIAMETER OF A HUMAN HAIR.

• CAPILLARIES

• ARTERY

• VEIN

• AORTA

THE BRAIN CONTAINS ABOUT 645 KM (400 MILES) OF ________________.

• MUSCLES

• BLOOD VESSELS

• NERVES

_____________ - THE NUMBER OF TIMES THE HEART WILL BEAT IN A AVERAGE LIFE TIME       

• 14 BILLION

• 2 BILLION

• 2.5 BILLION

• 1 TRILLION

THE ONLY BONE THAT DOESN'T HAVE A JOINT IS THE ____________ OF THE LOWER JAW.

• PELVIS

• FIBULA

• TIBIA

• HYOID BONE

EVERY TIME YOU SPEAK YOU USE MORE THAN _____________ MUSCLES.

• 29

• 70

• 100

• 87

_________ MAKES UP ABOUT THREE - QUARTERS OF THE WEIGHT OF A HUMAN HEART.

• FOOD

• COOL DRINKS

• WATER

• LEAFY VEGETABLES

700 - THE NUMBER OF DIFFERENT TYPES OF ________ IN THE LARGE INTESTINE.

• FUNGUS

• BACTERIA

• USELESS BACTERIA

AN _________ PELVIS IS THE SIZE OF AN ARMCHAIR

• ELEPHANTS

• GIRAFFES

• HORSES

• CAMELS

25% OF ALL BODY'S BONES ARE FOUND IN THE ____________.

• HAND

• LEG

• FEET

___ OF THE WORLDS POPULATION DIED FROM SPANISH FLU IN 1918.

• 1%

• 7%

• 0.25%

• 3%