LESSON 2

Question 1

plays a vital role in maintaining the health and function of the respiratory system

Answer 1

Exercise

Question 2

refers to the capacity of the circulatory and respiratory systems to supply oxygen to skeletal muscle mitochondria for energy production needed during physical activity

Answer 2

Cardiorespiratory fitness

Question 3

controls movement activity in the nervous system and muscles.

Answer 3

hormonal system

Question 4

are produced in endocrine glands and transported through blood to target cells.

Answer 4

Hormones

Question 5

affects hormone release, while neurohyphysis produces hormones like antidiuretic hormone and growth hormone

Answer 5

Adenohypophysis

Question 6

maintain glucose levels in the blood

Answer 6

Insulin and glucagon

Question 7

reducing glucose levels during movement

Answer 7

insulin

Question 8

increasing them during anaerobic activity.

Answer 8

glucagon

Question 9

Composition of Cardiovascular System

Answer 9

heart, blood vessels, and blood.

Question 10

is the sequence of events that results in the exchange of oxygen and carbon dioxide between the atmosphere and the body cells.

Answer 10

Respiration

Question 11

is an exchange of gases between the lungs and the blood.

Answer 11

External respiration

Question 12

the exchange of gases between the blood and tissue cells

Answer 12

Internal respiration

Question 13

the cells utilize the oxygen for their specific activities

Answer 13

Cellular metabolism, or cellular respiration