Anatomy and Physiology Cardiovascular System

Bottom, pointed part of the heart is known as the heart's what?

• base

• tip

• center

• apex

Double walled sac around the heart.

• Pericardium

• Myocardium

• Epicardium

• Endocardium

What is the major function of the cardiovascular system?

• Circulate blood, oxygen, and nutrients throughout the body and remove waste products.

• Produce hormones

• Store excess nutrients

• Regulate body temperature

Tags

NGSS.HS-LS1-3

How many chambers are there in a human heart?

• Three

• Five

• Six

• Four

What are the upper two receiving heart chambers called?

• atria

• ventricles

• aorta

• pulmonary artery

What are the bottom two discharging heart chambers called?

• Atria

• Ventricles

• Coronary arteries

• Pulmonary veins

What is in the heart that keeps the blood flowing in the right direction?

• Valves

• Pacemaker

• Arteries

• Lungs

What is in the heart that keeps the consistent beats of the heart?

• Coronary artery

• Pacemaker (SA node)

• Pulmonary valve

• Atrioventricular node (AV node)

Tags

NGSS.HS-LS1-3

What are the "heart strings" in the heart really called?

• aortic strings

• ventricular tendons

• cardiac ligaments

• chordae tendineae

What is a heart rate over 100 called?

• Tachycardia

• Bradycardia

• Arrhythmia

• Hypertension

Tags

NGSS.HS-LS1-3