Cardiovascular/Circulatory System Test

Which is not a component of the cardiovascular system

• Heart

• Brain

• Blood vessels

• Blood

The primary function of the cardiovascular system is..

• Transport just blood through out the body

• Control heart beat

• Transportation of substances throughout the body

• Control breathing

Which are substances that are carried by blood

• Gases: oxygen and Carbon dioxide

• Nutrients

• Wastes

• Hormones

Tags

NGSS.HS-LS1-7

Superior is which end of the heart?

• base

• apex

Inferior is which end of the heart?

• base

• apex

Which of the following statements about the heart is NOT true?

• Weighs about 5 pound

• Approximately the size of a closed fist

• Beats over 2 billion times in a lifetime

• Rests on teh diaphragm in the thoracic cavity

the pericardial sac lines which part of the heart?

• outer

• inner

• down the middle

The myocardium is

• Thick muscular layer of the heart

• Thick muscular layer of the arteries

• Thin layer of the veins

Which of the following statements about he myocardium is NOT true?

• It's the layer of the heart wall that contracts

• composed of cardiac muscle

• Arranged in thick twisted bundles

• Secretes pericardial fluid

____ are vessels that carry blood AWAY from the heart

• Arteries

• Veins