Respiratory System

Question 1

Cells

Answer 1

The basic structural unit of an organism from which living things are created.

Question 2

Alveoli

Answer 2

Tiny air sacs in the lungs where exchange of oxygen and carbon dioxide takes place.

Question 3

Organ system

Answer 3

Functional groups of organs that work together within the body: circulatory, integumentary, skeletal

Question 4

Ventilation

Answer 4

The exchange of oxygen with carbon dioxide in the lungs.

Question 5

Trachea

Answer 5

The windpipe, which connects the larynx to the lungs

Question 6

Identify structures of the respiratory system.

Answer 6

Nasopharynx, Oropharynx, Laryngopharynx, Larynx, Trachea, Bronchus (left & Right), Bronchioles, Lungs (Left and right), Diaphragm, Heart

Question 7

Explain the functions of the respiratory system.

Answer 7

1.The respiratory system’s main function is to perform the critical tasks involved in transporting oxygen from the atmosphere into the body’s blood and removing carbon dioxide from the body’s cells.
2.The air we breathe contains oxygen and other gases. The respiratory system’s main job is to move fresh air into your body while removing waste gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body.

Question 8

Explain the role of the respiratory system in gas exchange.

Answer 8

1.The respiratory system is specifically structured to maximized the surface area for the exchange of oxygen and carbon dioxide. In fact, the surface area of the alveoli in a human lung is equivalent to half the size of a basketball court
2.The respiratory system’s main job is to move fresh air into your body while removing waste gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body. At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide.
3.Gas Exchange Between Alveolar Spaces and Capillaries

The function of the respiratory system is to move two gases: oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.

Question 9

Describe the relationship between the respiratory system and the cardiovascular system.

Answer 9

The circulatory system, which is made up of the heart and blood vessels, supports the respiratory system by bringing blood to and from the lungs. The circulatory system helps deliver nutrients and oxygen from the lungs to tissues and organs throughout the body.

Question 10

Bronchi

Answer 10

The main passageways directly attached to the lungs.

Question 11

Bronchioles

Answer 11

Small passengers in the lungs that connect bronchi to alveoli

Question 12

Heart

Answer 12

Muscular organ that pumps blood throughout the body

Question 13

Mediastinum

Answer 13

The area between the two lungs

Question 14

Pleura

Answer 14

A membrane around the lungs and inside the chest cavity

Question 15

Capillaries

Answer 15

Small vessels that connect smaller arteries, called arterioles, to smaller veins called venules, and carry out gas exchange.

Question 16

Diffusion

Answer 16

The passive movement of a substance from an area of high concentration to an area low concentration.

Question 17

Passive transport

Answer 17

Movement across a cell membrane that does not require energy input

Question 18

Muscle

Answer 18

Fibrous tissue that produces force and motion to move the body or produce movement in parts of the body.

Question 19

Tidal volume

Answer 19

The amount of air breathed in a normal inhalation or exhalation

Question 20

Asthma

Answer 20

A lung disease characterized by inflamed, narrowed airways and difficulty breathing

Question 21

Inflammation

Answer 21

The resulting redness, swelling, heat and pain in an area of defense by innate immunity.

Question 22

Allergies

Answer 22

An immune response to a foreign agent that is not a pathogen.

Question 23

Disease

Answer 23

A condition that deteriorates the normal functioning of the cells, tissues, and/or organs

Question 24

Virus

Answer 24

A noncellular entity that consist of a nucleic acid core (DNA or RNA) surrounded by a protein coat

Question 25

immune system

Answer 25

A system that protects the body from disease-causing agents known as pathogens by responding to substances on the surfaces of agents that the body perceives as foreign.