The respiratory system

by alisoneberle
Last updated 4 years ago

Human Anatomy

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The respiratory system

The Respiratory System

What is the respiratory system?The respiratory system is a biological system that performs respiration. Respiration is defined as the intake of oxygen by a living organism (inhalation), and the release of carbon dioxide (exhalation).

Parts and Functions

LarynxMuscular tube, also known as the voice box. Used to produce sound.

TracheaTube protected by cartilage rings. Connects larynx and bronchial tube, and moves air in and out of the lungs. Also known as the windpipe.

BronchiTubes inside the lungs that branch off from the trachea. Move air into the lungs.

Pleural MembraneMembrane that cover the lungs. Allows them to move easily within the thoracic cavity.

DiaphramMuscle that seperates the thoracic cavity and the abdomen. Expands during inhalation allowing the lungs to do have more room to do the same.

PharynxAlso known as the throat, it is the common connector of the mouth, trachea, and esophogus.

EpiglottisCartilage that prevents food from entering the trachea.

BronchiolesTiny branches off of the bronchi, with the same function

LungsElastic sacs within the ribcage that allow respiration to occur by collecting oxygen and getting rid of carbon dioxide.

CiliaHairs inside the nose that filter out dust and other bad things preventing them from going into the lungs.

Diffusion occurs , and the oxygen brought in is converted to carbon dioxide, which then leaves the body.

AlveoliTiny air sacks in the lungs where oxygen is exchanged for carbon dioxide.

Breathing rate is controlled by your body in the Respiratory Control Center, regulating the amount of oxygen and carbon dixoide in the blood stream, and determining how quickly and deeply respiration needs to occur to fix/maintain those numbers.

The diaphram and ribs allow the chest cavity to expand, giving the lungs more room to expand and take in oxygen.


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