Chapter 3: Cardiorespiratory Endurance

Question 1

What is the function of the cardiorespiratory system and what does it consist of?

Answer 1

circulate blood throughout the body. consists of the heart, blood vessels, and the respiratory system.

Question 2

What is blood pressure?

Answer 2

the force excreted by the blood on the walls of the blood vessels.

Question 3

Describe the different components of the cardiorespiratory system:
1. Veins:
2. Arteries:
3. Capillaries:
4. coronary arteries:
5. The respiratory system:

Answer 3

1. carry blood to the heart.(oxygenated blood)
2. carry blood from the heart (deoxygenated blood)
3. tiny blood vessels that distribute blood to all parts of the body.
4. supply the heart muscle with oxygenated blood.
5. the lungs, air passages, and breathing muscles: supplies oxygen to the body and remove C02.

Question 4

What are alveoli?

Answer 4

tiny air sacs in lungs that allow the exchange of O2 AND CO2 between the lungs and the blood.

Question 5

What is cardiac output?

Answer 5

amount of blood the heart pumps per minute.
5 quarts per minute (resting)
20 quarts per minute (exercise)

Question 6

What is metabolic rate refer to?

Answer 6

rate at which the body uses energy (often quantified as calories and comes from food)

Question 7

What is adenosine triphosphate (ATP)?

Answer 7

energy source for cellular processes. Created by cells using a carbohydrate and a fat.

Question 8

What are the three energy systems for the production of ATP?

Answer 8

1. Immediate: (EXPOLISVE)
   - used for intense activities lasting 3-10 seconds. uses ATP
2. Non-oxidative: (ANAEROBIC)
   - supplies energy to muscles through the breakdown of muscle stores of carbohydrates
   (10se-2 min)
3. Oxidative: (AEROBIC)
   - supplies energy to muscles through breakdown of carbohydrates and fats.
   for activities lasting more than 2 minutes.

Question 9

What determines what energy system is used during exercise?

Answer 9

all 3 energy systems are used during exercise, but it also depends on the intensity and duration of exercise that ultimately determines what system dominates.

Question 10

What is the general rule regarding the use of energy when it comes to need of oxygen?

Answer 10

more energy= more oxygen required for an activity.

Question 11

what is maxiumum oxygen consumption (VO2 Max)?

Answer 11

the highest rate of o2 consumption a person is capable of during maximum effort

Question 12

What is cross-Training?

Answer 12

Alternating exercises to improve a single component of fitness.

Question 13

What is high intensity/ interval training and the four components of high intensity/interval training?

Answer 13

1. a series of brief, high intensity exercises with rests in between.
   distance, time, reps, intensity, rest.