Respiratory System

Question 1

Larynx location and function

Answer 1

In the lower portion of the neck below the pharynx. On top, it connects to the throat and the bottom connects to the windpipe.
It is visible as the adam’s apple.

Protecting the lower portion of the respiratory tract.
This can prevent food from getting into the trachea while breathing occurs.
Air passes through it before getting to the lungs.
Helps produce sound because it has vocal cords and acts as a voice box.

Question 2

Larynx tissues and roles of the tissue

Answer 2

Muscle tissue: so that the entrance can close to prevent unwanted food from entering (smooth muscles)
Connective tissue (cartilage)- makes the arches of the larynx
The laryngeal epithelium

Question 3

Larynx structure and how it allows it to perform its functions

Answer 3

It has a hollow tube structure
When food is swallowed, the larynx rises to its lid (called the epiglottis) so that the passageway to the windpipe is blocked.
Food, therefore, is prevented from going down the wrong “pipe.”

Question 4

Trachea location and function

Answer 4

Sits in lower neck and upper chest, below the larynx

The main function is to carry air in and out of the lungs for respiration.
Helps regulate the temperature of air coming in and out of the lungs.
Fights against disease.

Question 5

Tracheas tissues and roles of the tissue

Answer 5

Connective tissue:

• the trachea is made of 20 rings of tough cartilage.
• The cartilage is strong but flexible tissue. It helps support the trachea while still allowing it to move and flex when breathing

Question 6

Trachea structure and how it allows it to perform its functions

Answer 6

• Tube like structure
• Because it is a stiff, flexible tube, it provides a reliable pathway for oxygen to enter the body and carbon dioxide to exit. - The cilia that line the trachea capture microorganisms such as bacteria or viruses enabling the trachea to prevent harmful molecules from entering the lungs.

Question 7

Lungs location and function

Answer 7

In the chest cavity; there is one on each side

Breathing in (INHALATION)
-> chest expands (as do lungs), diaphragm contracts, low pressure in the lungs (more volume), air moves in
Breathing out (EXHALATION)
 -> chest contracts (as do lungs), the diaphragm expands, high pressure (less volume), air leaves
- moves fresh air into your body and releases waste gas

Question 8

Lungs tissues and roles of the tissue

Answer 8

Epithelial tissue:
Barrier, balances fluid, makes mucus and helps in reparation of injuries

Connective tissue:
Makes lungs have air spaces (as the tissue is elastic)
Gives the lungs a sponge-like and soft texture

Question 9

Lungs structure and how it allows it to perform its functions

Answer 9

The diaphragm is above the lungs (it is a muscle) so it helps the lungs with breathing
The location assists in breathing because of the muscles between the ribs and in the diaphragm
The lungs expand with air taken in