Circulatory system Review

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Atherosclerosis is the result of fatty deposits called ________a____________ on the inner walls of the ______b____________.

Answer:a. Plaqueb. arteries

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________a_________ are elastic and stretch in order to withstand high pressure of blood being pumped from the _______b_________.

Answer:a. Arteriesb. heart

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Myocardial infarction occurs when ___________ and can lead to heart failure.

Answer:Blood supply is blocked to the heart

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• The elasticity of the arteries ____________ the farther away from the heart.

Answer:• decreases

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• A ______________________ is the result of a defective heart valve.

Answer:• Heart murmur

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• ________________ are small branches of arteries that lead into the organs and tissues.

Answer:• arterioles

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• The heart beat is controlled by the _____________________ but regulated by the ______________________.

Answer:• Sinatrial node

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• ______________ connect arterial and venous circulation.

Answer:• capillaries

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• The _____a______ side of the heart pumps blood to the lungs while the _____b_____ side pumps oxygenated blood to the body.

Answer:• right• left

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• The exchange of ___________________ occurs at the capillary level.

Answer:• Oxygen and carbon dioxide

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• The _________________ valve connects the right atrium to the right ventricle.

Answer:• tricuspid

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• ________________ prevent back flow of blood in the veins.

Answer:• valves

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• Blood enters the heart via ______a_________ and _______b__________.

Answer:a. inferior vena cavab. superior vena cava

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• The exchange of fluid, nutrients, and gasses depends on ________a_______ and _________b___________.

Answer:a. Solute concentrationb. Hydrostatic pressure

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• When the ____a______ side of the heart is in systole, the ____b______ side of the heart is in diastole.

Answer:a. Superiorb. inferior

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• The fluid that leaks out of the circulatory system is returned via the _______________.

Answer:• Lymphatic system

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• ______a_____ refers to contractions while ______b_____ refers to the hearts relaxation.

Answer:• systole• diastole

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• The double layered sac that surrounds the heart is called ___________________.

Answer:• pericardium

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• Platelets, leukocytes, lymphocytes and phagocytes are ______a_______ components of the _____b_______.

Answer:a. Cellularb. blood

Label heart #1

#1 Superior vena cava

Label Heart #2

• #2 inferior vena cava

Label Heart #3

#3 aorta

Label Heart #4

#4 Left atrium

#5

#5 left ventricle

#6

#6 right atrium

#7

#7 right ventricle

#8

#8 left and right pulmonary veins leading from pulmonary trunk to the lungs

#9

#9 right and left pulmonary arteries leading to the left atrium from the lungs

#10 Valve?

#10 Pulmonary valve

#11 Valve?

#11 bicuspid or mitral valve

#12 Valve?

#12 tricuspid valve

#13

#13 separating the right and left ventricles is the interventricular septum