Respiratory System

Question 1

What do all cells in the body require oxygen to produce?

Answer 1

Energy

Question 2

What is the energy used for

Answer 2

Growth, movement, and reproduction

Question 3

Cellular Respiration

Answer 3

a series of chemical reactions that break down glucose to produce ATP,

Question 4

Pharynx

Answer 4

The throat ( passage of air from the nose/ mouth)

Question 5

Trachea

Answer 5

Flexible tube ringed with cartilage

Question 6

Bronchus/ Bronchi

Answer 6

Branches from the Trachea

Question 7

Alveoli

Answer 7

Tiny air sacs which are the site of gas exchange

Question 8

Bronchioles

Answer 8

smaller branches

Question 9

Capillaries

Answer 9

Thin-walled blood vessels that surround the alveoli

Question 10

Where does oxygen travel?

Answer 10

From the alveoli, through the capillaries, into the blood cells in the body

Question 11

Lungs

Answer 11

Half of the lung’s mass is blood

Humans have 2 lungs in the chest cavity

enclosed by the ribs, chest muscles, and the diaphragm

Question 12

Diaphragm

Answer 12

Smooth muscle
thin, dome-shaped muscle sits below your lungs and heart. It’s attached to your sternum

Question 13

Breathing

Answer 13

The action of inhaling (taking in) and exhaling ( releasing)

Question 14

Inhale

Answer 14

• Rib cage rises
• Diaphragm contracts and move downwards, which increases the size of your chest cavity
• Decrease in internal air pressure
  -Air rushes into your lungs to equalize pressure

Question 15

Exhale

Answer 15

• Rib cage lowers
• Diaphragm relaxes and moves upwards, which decreases the size of the chest cavity
• ## Air moves out of the lungs