The Respiratory System

Air is exchanged between blood and air in tiny sacs of lung tissue known as

• alveoli

• cilia

• inhale

• capillary

Cells that line the trachea have __________, which sweep mucus up to the pharynx

• alveoli

• cilia

• capillaries

• pharynx

Water and _________ pass from the blood into the air in an alveolus.

• glucose

• oxygen

• carbon dioxide

• cilia

When you _________, your chest cavity becomes larger so air rushes into tour body.

• exhale

• inhale

A(n) __________ is a small tube that connects arteries to vains.

• cappilarie

• capillary

• diaphragm

• pharynx

Cellular Respiration is the process through which cells release chemical energy stored in

• oxygen

• glucose

• water

• diaphragm

Air passess from the nose intro the

• bronchi

• pharynx

• diaphragm

• cilia

The ____________ is a large, dome-shaped muscle that expands and contracts during breathing.

• diaphragm

• pharynx

• alveoli

• cilia

The vocal cords stretch across the opening of the

• larynx

• pharynx

• diaphragm

• mucus

The nose produces a sticky material called _______, which moistens the air and traps particles.

• mucus

• cilia

• glucose

• carbon dioxide