Moving Materials_ Extra Practice

Which of the following are NOT part of the respiratory system?

• Nose and Pharynx

• Atria and Ventricles

• Trachea and Bronchi

• Bronchioles and Alveoli

What is the main organ of the respiratory system?

• lungs

• Heart

• Stomach

• Skin

Oxygen moves between the respiratory system and the circulatory system when it

transfers from ______to ______.

• bronchi, trachea

• bronchi, capillaries

• alveoli, capillaries

• capillaries, veins

The tube-like organ that connects the pharynx to the bronchi is the:

• Bronchioles

• Diaphragm

• Alveolus

• Trachea

The _______ carries blood rich in _______ back to the heart from the body cells

• artery, carbon dioxide

• vein, oxygen

• artery, oxygen

• vein, carbon dioxide

In which part of the respiratory system, gas exchange takes place?

• Diaphragm

• Villi

• Bronchi

• Alveoli

Upon inhalation, the diaphragm contracts or ________, and _______  moves into the lungs

• moves down, oxygen gas

• moves down, carbon dioxide

• moves up, oxygen gas

• moves up, carbon dioxide

Blood enters the heart from the rest of the body through two upper chambers called ______ ,when the heart muscles ______.

• atria , contract

• ventricles , relax

• atria , relax

• ventricles , contract

Upon exhalation, the diaphragm relaxes and moves up.

• True

• False

The two lower chambers in the heart are called atria.

• True

• False