M2 respiratory intro goes with BP

What term best describes the role of carbon dioxide in the human body?

• Beneficial

• Toxic

• Harmless

• Necessary

Which of the following statements is true?

• Your lungs can store several hours' worth of oxygen.

• Your body can't store oxygen at alI.

• Your body stores oxygen in your bloodstream.

• Your body needs carbon dioxide to function properly.

Glucose is broken down in the chemical processes of aerobic respiration.

Which row of the table below shows the correct products of this breakdown?

• A

• B

• C

• D

The walls of the alveoli and capillaries are permeable. What does this mean?

• Substances can pass through them.

• They are made of muscle.

• They are located throughout the body.

• They are made of bone.

What word best describes the function of the trachea?

• Pumping station

• Entrance point

• Muscle

• Passageway

A small, leaf-shaped flap of cartilage located at the base of the tongue that covers the opening to the windpipe during swallowing to prevent food and liquid from entering the lungs.

Which body system is responsible for transporting large amounts of oxygen from the lungs to the body's tissues?

• The circulatory system

• The respiratory system

• The digestive system

• The breathing system

What D is a large dome-shaped muscle that acts like a floor to the ribcage cavity?

Place the following events in sequence: A) Air pressure inside your lungs drops; B) The diaphragm contracts; C) Air from outside rushes into your lungs.

• ABC

• BAC

• CAB

• BCA

As the diaphragm contracts which of the following will happen?

• air will come out of the mouth or nose

• the pressure in the lungs increases

• the lungs will expand

• the diaphragm will rise to form a dome shape