Cardiorespiratory System

Question 1

What is a cardio respiratory system ?

Answer 1

Cardiovascular and respiratory system

Question 2

What is a cardiovascular system ?

Answer 2

Heart, blood, and blood vessels

Question 3

What is a cardiac muscle ?

Answer 3

Shorter
More tightly connected than skeletal muscle
Involuntary

Question 4

What is an atria?

Answer 4

Smaller
Superior chambers of the heart
Receive blood from veins

Question 5

What is a right atrium do?

Answer 5

Gathers deoxygenated blood returning to the heart

Question 6

What does the left atrium do?

Answer 6

Gathers oxygenated blood from the lungs

Question 7

What is a sinoatrial (SA) node?

Answer 7

Located in right atrium
Initiates impulse for heart rate
Pacemaker for the heart

Question 8

What are ventricles ?

Answer 8

Larger, inferior chambers of the heart

Pump blood out

Question 9

What does a right ventricle do?

Answer 9

Pumps deoxygenated blood to lungs

Question 10

What does the left ventricle do?

Answer 10

Pumps oxygenated blood to the body

Question 11

What are arteries ?

Answer 11

Carry blood away from the heart

Question 12

What are veins?

Answer 12

Transport blood back to the heart

Question 13

What are arterioles ?

Answer 13

Small branches of arteries

End in capillaries

Question 14

What are capillaries ?

Answer 14

Smallest blood vessels

Site of gas, chemical, and water exchange

Question 15

What are venules?

Answer 15

Very small veins

Connect capillaries to larger veins

Question 16

What is a heart rate?

Answer 16

The rate at which the heart pumps

Average untrained adult =70-80bpm

Question 17

What is a stroke volume?

Answer 17

Amount of blood pumped with each contraction

Question 18

Why is a cardiac output?

Answer 18

Volume of blood pumped per minute

Heart rate x stroke volume

Question 19

What is a respiratory system?

Answer 19

Lungs and respiratory system passageways
Brings in oxygen
Removes co2

Question 20

What is an inspiration?

Answer 20

Contracting inspiratory muscles to move air into lungs

Question 21

What are the two inspiratory muscles ?

Answer 21

Primary

Secondary

Question 22

What is a primary inspiratory muscle ?

Answer 22

Diaphragm and external intercostal

Question 23

What is a secondary inspiratory muscle?

Answer 23

Scalenes
Pectoral is minor
Sternocleidomastoid

Question 24

What is an expiration?

Answer 24

Relaxing inspiratory muscles (passive)

Contracting expiratory muscles (active) to move air out

Question 25

What are expiratory muscles ?

Answer 25

Internal intercostal

Abdominals

Question 26

What is resting oxygen consumption (VO2)?

Answer 26

3.5ml x kg -1 x min-1 = 1 metabolic equivalent (MET)

Question 27

What is maximal oxygen consumption (VO2Max)?

Answer 27

Highest rate of oxygen transport and utilization achieved at maximal physical exertion

Question 28

Why is an abnormal breathing pattern?

Answer 28

Associated with stress and anxiety

May result in headaches, fatigue, poor circulation, and/ or poor sleep patterns

Question 29

What is a cardio respiratory exercise? (Increase)

Answer 29

Cardiac output 
Breathing efficiency
Oxygen transport and use 
Use of fats for fuel 
Mental alertness 
Ability to relax and sleep 
Tolerance to stress 
Lean body mass 
Metabolic rate

Question 30

What is cardiorespiratory exercise ? (Decrease)

Answer 30

Resting heart rate 
Cholesterol 
Blood pressure 
The rust of heart disease 
Blood clots
Depression
Anxiety 
Obesity 
Diabetes