Respiratory and circulatory system

Pharynx

Also known as the throat - connects mouth and nose to trachea

Epiglottis

A flap of tissue that covers the trachea during swallowing to prevent food from entering the airway.

Larynx

Located between the pharynx and the trachea - also known as the voice box

Trachea

Tube that connects Larynx to Lungs

Bronchus/Bronchi

Largest tubes in the lungs

Bronchioles

Tubes that connect the Bronchi to Alveoli

Alveoli

Diffuse oxygen into the bloodstream and it binds to HEMAGLOBIN. Also diffuses CO2 out of the blood and into the lungs.

Respiratory System

The exchange of oxygen and carbon dioxide via a group of organs and tissues.

Arteries

Thick walls - pump oxygenated blood away from the heart and to the body

Veins

Have one way valves - bring deoxygenated blood back to the heart.

Capillaries

Have thin walls and reach every cell. Purpose is to supply oxygen and nutrients to cells and to remove waste products.

Pathway of blood throughout the body

Lungs → Heart → Body → Heart → Lungs

Transportation of Oxygen and Co2

Oxygen and Carbon dioxide bind to Hemoglobin on the red blood cells.

Right Atrium

receives deoxygenated blood from the body via Vena Carvas

Right ventricle

Receives blood from the Right Atrium

Pulmonary Artery

Takes deoxygenated blood from the right ventricle to the lungs

Pulmonary Vein

Takes oxygenated blood from the lungs to the Left Atrium

Left Ventricle

Receives blood from the Left Atrium

Aorta

Takes oxygenated blood from the Left Ventricle to the body

Inferior and Superior Vena Carva

Takes Deoxygenated blood from the body back to the heart.