Structure & Function of Body Systems

Question 1

What is the primary function of the respiratory system?

Answer 1

The primary function of the respiratory system is to facilitate gas exchange, primarily oxygen intake and carbon dioxide removal.

Question 2

True or False: The diaphragm is a muscle that separates the chest cavity from the abdominal cavity.

Answer 2

True

Question 3

Fill in the blank: The process of breathing in is called ________.

Answer 3

inhalation

Question 4

What is the role of alveoli in the lungs?

Answer 4

Alveoli are tiny air sacs where gas exchange occurs between the air and blood.

Question 5

Multiple Choice: Which of the following is NOT a part of the human skeleton? A) Femur B) Humerus C) Diaphragm D) Sternum

Answer 5

C) Diaphragm

Question 6

What type of muscle is the diaphragm classified as?

Answer 6

The diaphragm is classified as a skeletal muscle.

Question 7

True or False: Gas exchange occurs in the bronchi.

Answer 7

False

Question 8

What happens during exhalation?

Answer 8

During exhalation, the diaphragm relaxes, reducing the volume of the chest cavity and pushing air out of the lungs.

Question 9

Fill in the blank: The ________ is the main organ of the respiratory system.

Answer 9

lungs

Question 10

Multiple Choice: Which gas is primarily expelled from the body during exhalation? A) Oxygen B) Nitrogen C) Carbon Dioxide D) Helium

Answer 10

C) Carbon Dioxide

Question 11

What is the function of intercostal muscles?

Answer 11

Intercostal muscles aid in the expansion and contraction of the rib cage during breathing.

Question 12

True or False: The skeletal system provides support and structure to the body.

Answer 12

True

Question 13

What is the primary purpose of the circulatory system in relation to gas exchange?

Answer 13

The circulatory system transports oxygen to cells and carries carbon dioxide back to the lungs for exhalation.

Question 14

Fill in the blank: The ________ connects the throat to the lungs.

Answer 14

trachea