The Basics Pt. 1
The Basics Pt. 2
I Can't Breathe!
Oxygen and CO2
Let's Think
100

Which part of the body controls breathing?

The brain.

100

Tiny hairlike structures that line the nasal passages as well as most of the respiratory system.

Cilia

100

Irritation to the lining of the airways causes air to be violently released through the nose in a ___________.

Sneeze

100

Which parts of the respiratory system are saclike organs that replace the carbon dioxide in your blood with oxygen.

Lungs

100

Which muscles change the space and pressure inside the body to allow breathing?

The Diaphragm and your Chest muscles.

200

In order to live and function, every cell needs what?

Oxygen.

200

Two tubes that branch off the trachea.

Bronchi

200

Which respiratory disorder often causes the muscles around the bronchial tubes the tighten more than normal, making it hard for a person to breathe?

Asthma

200

Tiny air sacks in the lungs.

Alveoli.

200

How is inhaling different than exhaling?

When we inhale, we take Oxygen into our lungs.


When we exhale, we expel Carbon Dioxide from our lungs.

300

Also known as the throat.

Pharynx

300

Part of the respiratory system, this strong, curved muscle attaches below the lungs to the lower ribs and backbone.

Diaphragm

300

The sound caused by air that cannot move freely and causes parts of the mouth and throat to vibrate and hit together is called what?

A snore.

300

Cells use oxygen and produce what?

Carbon dioxide.

300

Why is smoking harmful?

Cigarette smoke contains harmful chemicals.

Poisonous chemicals from cigarettes enter the lungs and turn into tar.

Sticky tar may cause lung cancer.

Can cause emphysema which causes the alveoli to stop filtering carbon dioxide out of the body properly.

400

Also called the windpipe.

Trachea.

400

This part of the respiratory system is a flap of tissue that covers the trachea when a person swallows.

Epiglottis

400

When lungs become infected, a person has what?

Pneumonia.

400

Tiny blood vessels that surround the alveoli.

Capillaries

400

How does studying the respiratory system help someone worship God?

We can be thankful for the way He designed us and for the grace He shows in allowing us to wake up with breath in our lungs.

500

Also called the voice box.

Larynx

500

The pitch and sound that you make when you talk depends on the length and __________ of your vocal cords.

Thickness

500

Breathing that you can think about and control for a short amount of time is called?

Voluntary breathing.

500

Where does the exchange of oxygen and carbon dioxide take place?

In the alveoli.

500

Why is it important for Christians to take care of their bodies?

Because we are temples of the Holy Spirit. God designed us for the purpose of loving Him and loving others. We best do that with able and cared for bodies.

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