Anatomy

The heart is a muscular organ that pumps blood throughout the body.

• True

• False

Where does the 'lub dub of a heart beat come from?

• The sound of blood being pushed against the aorta

• The sound of blood being pushed against arteries

• The sound of blood being pushed against closed, one-way valves

• The sound of blood being pushed against veins

The _________ PUMPS blood to the lungs.

• Right Atrium

• Right Ventricle

• Left Atrium

• Left Ventricle

What surfaces of the tooth are located towards the tongue?

• buccal

• lingual

• facial

• incisal

The second hardest tooth tissue that lies underneath the outer layer of the tooth.

• pulp

• cementum

• dentine

• enamel

What are the four front middle teeth called?

• incisors

• premolars

• molars

• canines

What are the two teeth just lateral to the four front middle teeth called?

• incisors

• premolars

• molars

• canines

surface of the tooth toward the midline

• middle

• mesial

• middle third

• lingual

toward the back

• anterior

• posterior

• occlusal

• primary

Which part of the tooth is the hardest?

• Dentin

• Pulp

• Enamel

• Cementum