RESPIRATORY AND CIRCULATORY SYSTEM

RESPIRATORY SYSTEM

• It's function- moves oxygen from the outside environment into the body
• Breathing- is the movement of air into and out of your lungs
• Pharynx- air moves from the nose downward into the throat
• Larynx- organ made of cartilage and muscle which produce our voice.
• Trachea- leads toward the lungs, walls of trachea made of rings of cartilage which protects

What are the functions of our lungs?
After it reaches the lung, air moves through smaller & smaller bronchi until it reaches the alveoli to blood. In the alveoli, oxygen inside the blood and comes out carbon dioxide.

CIRCULATORY SYSTEM

• Parts of the circulatory system- blood vessels, heart and blood
• It's function- pumps blood which carries nutrients & needed materials to cells
• Atria- where blood from the body moves in the heart
• Ventricle- moves blood out of the heart into the body
• Arteries- carries oxygenated blood to the body, made of 3 layers.

What is the functions of our respiratory system?
Moves oxygen from the outside environment into the body. To also move carbon dioxide and water from the body.