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Health Science: Viewmont > Unit 3: Transportation Systems: Circulatory System > Flashcards

Unit 3: Transportation Systems: Circulatory System Flashcards

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1
Q

what are the functions of the circulatory system

A
  1. transports nutrients and waste
  2. transports heat
  3. transports O2 to body cells and Co2 away from body cells
  4. transports hormones
  5. transports antibodies
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2
Q

is a hollow organ about the size of a closed fist and is located between the lungs, behind the sternum, and above the diaphragm

A

heart

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3
Q

what is the function of the heart

A

pump blood throughout the body

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4
Q

what are the four chambers of the heart

A

right atrium, right ventricle, left atrium, and left ventricle

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5
Q

receives unoxygenated blood from the veins

A

right atrium

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6
Q

receives blood from the right atrium and pumps it to the lungs

A

right ventricle

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7
Q

receives OXYGENATED blood from the lungs and pumps it to the left ventricle

A

left atrium

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8
Q

pumps blood into the aorta, which will then transport the blood throughout the entire body

A

left ventricle

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9
Q

what are major vessels of the heart

A

aorta, superior vena cava, inferior vena cava, pulmonary arteries and veins

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10
Q

what are the four valves of the heart

A

tricuspid, pulmonary semilunar valve, mitral (bicuspid valve), and aortic semilunar valve

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11
Q

how does the circulatory system work in transportation of nutrients

A

arteries pick up nutrients from the digestive system and delivery to cells of the body
veins carry away waste products and excess fluid of the cells of the body

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12
Q

how does the circulatory system work in transporting heat

A

regulates heat by distributing the heat generated by muscles

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13
Q

how does the circulatory system work in transportation of O2 to body cells and Co2 away from body cells

A

arteries carry oxygen to the body cells

veins take carbon dioxide away from body cells

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14
Q

how does the circulatory system work in transportation of hormones

A

transports them through the blood stream

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15
Q

how does the circulatory system work in transportation of antibodies

A

transports them through the blood stream to help fight infection

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16
Q

What is the order of blood flow from the human body back through the heart

A

SVC & IVC, right atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, pulmonary trunk, pulmonary arteries, lungs, pulmonary veins, left atrium, bicuspid (mitral) valve, left ventricle, aortic semilunar valve, aorta, to the body, repeat cycle.

17
Q

form a closed system for the flow of blood.

A

blood vessels

18
Q

what are three three main types of blood vessels

A

arteries, capillaries, veins

19
Q

carry blood AWAY from the heart.

A

arteries

20
Q

largest artery in the body

A

aorta

21
Q

the smallest branch of arteries is called

A

arterioles

22
Q

connects arterioles with venules. important for nutrient and waste exchange between the blood and cells

A

capillaries

23
Q

smallest vessels of the circulatory system

A

capillaries

24
Q

carry blood to the heart

A

veins

25
Q

what are the four components of blood

A

red blood cells (erythrocytes)
white blood cells (leukocytes)
platelets (thrombocytes)
plasma

26
Q

transport oxygen and nutrients to the cells, and carry carbon dioxide away from the cells

A

erythrocytes (RBC)

27
Q

protect against infection and disease

A

leukocytes (WBC)

28
Q

start the clotting process

A

platelets (thrombocytes)

29
Q

clear yellow liquid that makes up 55% of the whole blood

A

plasma

30
Q

internal bleed, vitamin deficiencies, decreases in red blood cell production, or increases in red blood cell production, or increases in red blood cell destruction by the spleen. (Deficiency in blood cells)

A

anemia

31
Q

occurs when the coronary artery or a branch of the coronary artery is blocked and blood cannot flow to the heart muscle. also called myocardial infarction

A

heart attack

32
Q

high blood pressure

A

hypetension

33
Q

a build-up of fatty plaque in the inner arteries of the walls of arteries. causes a narrowing and decreased flow in blood

A

atherosclerosis

34
Q

narrowing or stricturing of an artery. the loss of elasticity in the artery

A

arteriosclerosis

Health Science: Viewmont (8 decks)

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