Chapter 3: The Cardiorespiratory System Flashcards

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1
Q

Composed of the respiratory and cardiovascular system

A

The cardiorespiratory system

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2
Q

Blood vessels, blood, and the heart

A

The cardiovascular system

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3
Q

Vessels that transport blood away from the heart.

A

Arteries

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4
Q

Vessels that transport blood from capillaries toward the heart.

A

Veins

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5
Q

The amount of blood pumped out the heart with each contraction

A

Stroke volume(SV)

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6
Q

Heart rate × stroke volume

A

Cardiac output

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7
Q

The “pacemaker” of the heart because it initiates the heartbeat

A

Sinoatrial (SA) node

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8
Q

70-80 BPM

A

Typical heart rate for an adult

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9
Q

The right atrium receives blood coming from the body while the left atrium receives the blood (oxygen-rich) that comes from the lungs and the heart.

A

The atriums

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10
Q

The right ventricle has thinner walls because it only needs to pump blood a short distance back to the heart and the lungs. The left ventricle, on the other hand, has much thicker walls and is a much higher pressure pump because it is required to push blood to the rest of the body.

A

The Ventricles

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11
Q

Protection
Regulation
Transportation

A

The functions of blood

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12
Q

The superior chamber of the heart that receives blood from veins and forces it into ventricles

A

Atrium

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13
Q

the inferior chamber of the heart that receives blood from its corresponding atrium and, in turn, forces blood into arteries

A

Ventricle

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14
Q

A small mass of specialized cardiac muscle fibers, located in the wall of the right atrium of the heart, that receives heartbeat impulses from the sinoatrial node and directs them to the walls of ventricles

A

Atrioventricular (AV) Node

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15
Q

A hollow muscular organ that pumps a circulation of blood through the body by means of rhythmic contraction

A

Heart

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16
Q

The space in the chest between the lungs that contains all of the internal organs of the chest except for the lungs

A

Mediastinum

17
Q

The rate at which the heart pumps

A

Heart Rate

18
Q

Fluid that circulates in the heart, arteries, capillaries, and veins, carries nutrients and oxygen to all parts of the body, and also rides the body of waste products.

A

Blood

19
Q

Network of hollow tubes that circulates blood throughout the body

A

Blood Vessels

20
Q

The smallest blood vessels, and the site and exchange of chemicals and water between blood and the tissues

A

Capillaries

21
Q

Small terminal branches of an artery, which end in cappilaries

A

Arterioles

22
Q

The very small veins that connect capillaries to the larger veins.

A

Venules

23
Q

A system or organs that collects oxygen from external environment and transports it to the blood stream

A

Respiratory System

24
Q

Composed of skeletal structures(bones) and soft tissues(muscles) that work together to allow proper respiratory mechanics to occur and help pump blood back to the heard during inspiration.

A

Respiratory Pump

25
Q

Breathing is divided into 2 phases…this phase is the process of actively contracting the inspiratory muscles to move air into the body.

A

Inspiration

26
Q

Breathing is divided into 2 phases…this phase is the process of actively or passively relaxing the inspiratory muscles to move air out of the body.

A

Expiration

27
Q

The process of getting oxygen from the environment to the tissues of the body.

A

Diffusion

28
Q

The highest rate of oxygen transport and utilization achieved at maximal physical exertion

A

Maximal Oxygen consumption Vo2Max