Respiratory and Circulatory System

The blood vessel where oxygenated blood flows from the lungs to the heart.

• Aorta

• Pulmonary Veins

• Pulmonary Arteries

• Epiglottis

The chamber of the heart where the oxygenated blood enters first.

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle

It is the biggest artery that supplies oxygenated blood throughout the body.

• Anterior Vena Cava

• Posterior Vena Cava

• Aorta

• Venules

The blood vessel where the exchange of gases from the body and blood occurs.

• Arteries

• Veins

• Capillaries

• Venules

The blood vessel where oxygen-poor blood flows from the heart to the lungs.

• Capillaries

• Pulmonary Arteries

• Pulmonary Veins

• Venules

Openings that pull air from outside your body into your respiratory system.

• Mouth

• Nose

• Mouth and Nose

• Pharynx

Two organs that remove oxygen from the air and pass it into your blood.

• Heart & Lungs

• Heart

• Arteries & Veins

• Lungs

Muscle that helps your lungs pull in air and push it out.

• Diaphragm

• Ribs

• Trachea

• Alveoli

Hollow organ that allows you to talk and make sounds when air moves in and out.

• Pharynx

• Laryx

• Larynx

• Pharyx

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

• Alveoli

• Diaphragm

• Larynx

• Brionchioles