Respiratory & Circulatory System

System that is made up of the organs in the body that help us to breathe in and out, so oxygen can be pumped through the body and carbon dioxide can be removed from the bloodstream

• Respiratory System

• Circulatory System

Is an organ system that permits blood to circulate and transport nutrients, oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases and stabilize temperature.

• Respiratory System

• Circulatory System

Warms, moistens, & filters air as it is inhaled

(Respiratory System)

Passageway for air, lead to trachea

The voice box, where vocal cords are located

Keeps the windpipe “open” trachea is lined with fine hairs called cilia which filter air before it reaches the lungs.

Two branches at the end of the trachea, each lead to a lung

A network of smaller branches leading from the bronchi into the lung tissue & ultimately to air sacs

The functional respiratory units in the lung where gases are exchanged

It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily