What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to clean the blood
• to break down food and absorb nutrients
• to remove oxygen from the body

NUMBER 6:

• Lungs

• Trachea

• Mouth

• Alveoli

What is the tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

What is a diaphragm?

• Muscle beneath the lungs that contacts and relaxes to move gases in and out  of the body
• Factor during an experiment
• Filters blood
• Deoxyribose acid 

Tags

NGSS.MS-LS1-3

What are bronchi?

• connects the brain and spinal cord 
• number of protons
• part of earth and supports life
• 2 short tubes that branch off of the lower end of the trachea and carry air to the lungs

Which 2 substances are exchanged in the Respiratory System?

• oxygen and nitrogen
• carbon dioxide and oxygen
• oxygen and glucose
• glucose and carbon dioxide

Letter D is pointing to which Respiratory organ?

• Alveoli
• Diaphragm
• Lung
• Bronchi

Letter B is pointing to which organ of the Respiratory System?

• Nose
• Trachea
• Lungs
• Diaphragm

When the diaphragm contracts and moves down, the lungs are...

• expanding with air
• shrinking - pushing air out

Write down the equation for aerobic respiration like the one in your textbook, but do NOT open your textbook.