Human Body and Respiration

Which organ system includes the trachea, bronchi, lungs, and alveoli?

• Digestive system
• Circulatory system
• Respiratory system
• Endocrine system

Our bodies need the _________ in the air we breathe.

• feathers
• oxygen
• carbon dioxide

When you take air in through your mouth or your nose, you....

• exhale
• cough
• inhale

When you breathe hard, your body...

• gets really sweaty.
• takes in more oxygen.
• sounds loud.

When you exercise, your heart beats faster to...

• spread oxygen throughout your body more quickly.
• make you feel excited.
• let you know you're working hard.

What is the respiratory system? 

• Body's food processing system
• Body's breathing system
• Body's reproduction system
• Body's nervous system

What is the main organ in the respiratory system?

• Kidney
• Heart
• Lungs
• Diaphragm

Which of the following is affected by the respiratory system?

• Yawning 
• Hiccups
• Sneezing
• All of these

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

• esophogus
• bronchi
• trachea
• alveoli

EXHALE!!!
My lungs are __________________ air. 

• taking in
• letting out