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Human Body and Movement > Cardiovascular system > Flashcards

Cardiovascular system Flashcards

1
Q

What are the two atrioventricular valves called?

A

Tricuspid and bicuspid (mitral) valves

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2
Q

What are the names of the valves of the heart?

A

Tricuspid valve, bicuspid valve, pulmonary semilunar valve, aortic semilunar valve

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3
Q

Name two functions of the trachea?

A

C-shaped cartilage prevents collapse.

A line of smooth muscle which can rapidly force air out on contraction

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4
Q

What are alveoli?

A

Tiny air sacs of the lungs which allow for rapid gaseous exchange

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5
Q

Is blood oxygenated or deoxygenated when is the right side of the heart?

A

Deoxygenated

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6
Q

True or false: the heart has its own electrical system?

A

True

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7
Q

What is the term used to describe the relationship between the pressure inside and outside the lungs?

A

Pressure gradient

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8
Q

What is the term used to describe the relationship between the concentration of oxygen in the alveoli and in the capillaries?

A

Concentration gradient

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9
Q

Inspiration causes the pressure inside the lungs to increase or decrease?

A

Decrease

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10
Q

What muscle relaxes in order for expiration to occur?

A

Diaphragm, intercostal muscles

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11
Q

True or false: kytocytes are a component of blood?

A

False

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12
Q

What type of muscle is found in the arteries?

A

Smooth muscle

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13
Q

Arteries or veins are under high pressure?

A

Arteries

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14
Q

What is normal systolic blood pressure?

A

120 mmHg

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15
Q

Name the vessels that carry blood from the heart to the lungs?

A

Pulmonary arteries

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16
Q

What system collects fluid leaked from the capillaries and return it to the venous system?

A

Lymphatic system

17
Q

The smallest blood vessels are called?

A

Capillaries

18
Q

What is the term used to describe blood clotting?

A

Coagulation

19
Q

Approximately how much blood does an adult human have?

A

5L

20
Q

Which system carries deoxygenated blood to the heart?

A

Venous system

21
Q

How thick are capillary walls?

A

1 cell thick

22
Q

What is the mediastinum?

A

Medial cavity of the thorax

23
Q

Which direction does the apex of the heart face?

A

Inferolaterally

24
Q

What are the layers of the heart?

A

Epicardium, myocardium, endocardium

25
Q

What is the general function of the left/right atriums?

A

Receives blood

26
Q

What is the general function of the left/right ventricles?

A

Discharge blood

27
Q

Which circulatory system is low-pressure system?

A

Pulmonary circulation

28
Q

What is the vessel that carries blood to the heart?

A

Vena cava

29
Q

What do the pulmonary veins do?

A

Transport oxygenated blood from the lungs to the left atrium of the heart

30
Q

What do the pulmonary arteries do?

A

Carries deoxygenated blood to the lungs

31
Q

What is unique about aorta?

A

It is elastic and stretches like a balloon

Human Body and Movement (7 decks)

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