Respiratory

Oxygen from the air enters the blood stream at what location?

• Cardiac Notch

• Pulmonary Vein

• Alveoli

• Paranasal Sinuses

As you breathe this contracts and flattens to give your lungs room to fill up with air.

• larynx

• lung balloon

• diaphragm

• heart

When the gasses are exchanged between the alveoli in the lungs and the capillaries, oxygen enters the blood stream. What happens with this oxygen?

• Oxygen in the blood is delivered to the lungs to be exhaled.

• Oxygen in the blood is delivered to the nose to be exhaled.

• Oxygen in the blood is delivered to the tissues and cells of the body to help make energy.

• Oxygen in the blood is a waste that needs to be removed from the boyd.

Tags

NGSS.MS-LS1-3

Why does CO2 build up (or increase) inside your lungs when you hold your breath? (Choose the BEST answer.)

• Because the circulatory system is still pumping blood by your lungs.

• Because your lung always have CO2 in them.

• Because the circulatory system is still pumping blood and delivering CO2 to your lungs, even if you don't exhale it.

• Because the circulatory system is still pumping blood and delivering Oxygen to your lungs, oxygen created as waste in cells.

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NGSS.MS-PS1-5

Why does your body need to breathe out carbon dioxide?

• Without it, the lungs would not function.

• It can be harmful if it builds up in the bloodstream.

• You need it for your body to survive.

• It is delivered to the heart.

Which of the following does NOT make up part of the lungs?

• Alveoli

• Bronchioles

• Trachea

• Bronchi

What is the name of the large muscle that contracts and relaxes to move air in and out of the lungs?

• Bicep

• Alveoli

• Diaphragm

• Trachea

What is the name of the air sacs, where gas exchange takes place?

• Bronchi

• Lungs

• Oxygen

• Alveoli

What is the name of the two narrower tubes branching from the trachea, that lead into the lungs?

• Nose

• Bronchi

• Lungs

• Alveoli

What is the name of the air tube, that is also known as the windpipe?

• Diaphragm

• Trachea

• Nose

• Alveoli