Transport: Chapter 15 TEST

During a strenuous workout, which of the following tells your body to increase your breathing rate?

• The amount of oxygen in your blood

• The amount of carbon dioxide in your blood

• The number of alveoli in your body

• The shape of your diaphragm

Which structure prevents food from entering your lungs when you swallow?

• larynx

• nasal cavity

• pharynx

• trachea

Which structure, also known as the windpipe, is the main passageway to your lungs?

• esophagus

• larynx

• pharynx

• trachea

Which of the following sequences correctly represents the pathway of air as it travels through the respiratory structures?

• nasal cavity -> larynx -> trachea -> bronchus -> alveoli

• nasal cavity -> larynx -> alveoli -> bronchus -> trachea

• nasal cavity -> trachea -> larynx -> bronchus -> alveoli

• nasal cavity -> larynx -> trachea -> bronchus -> alveoli

When your diaphragm contracts,

• you inhale.

• you exhale.

• your chest cavity enlarges.

• you inhale and your chest cavity enlarges.

• you exhale and your chest cavity enlarges.

The muscular chambers that pump blood to the lungs or body are the

• atria

• aortas

• valves

• ventricles

What is the purpose of valves in the circulatory system?

• To allow blood to flow away from the heart

• To allow blood to travel to and from the lungs

• To prevent blood from flowing in the wrong direction

• To pump blood in the right direction

Where are most blood cells formed?

• Bone marrow

• Heart

• Pancreas

• Plasma

Tags

NGSS.HS-LS1-4

Which cellular structure is missing in red blood cells?

• Cell membrane

• Endoplasmic reticulum

• Hemoglobin

• Nucleus

Which blood component provides defense against foreign substances?

• Hemoglobin

• Red blood cells

• White blood cells

• Platelets