Our organ systems

We breathe in air through our

• windpipe

• nose

• lungs

The windpipe is also known as the _______.

• trachea

• alveoli

• bronchi

• pharynx

What is the respiratory system?

• The system that helps you breathe.

• The system that transports blood.

• The system that helps you move.

• The system that sends electrical signals.

What is the main function of the respiratory system?

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

.......... is removed from our body when we breathe out.

• Oxygen

• Air

• Dust

• Carbon dioxide

........ is the process of taking in air into our body and giving it out again.

• Breathing

• Resporatory

• Respiration

• Inhaled

........ our nostrils removes dust from the air we breathe in.

• The Nose

• Windpape

• The Tracea

• The hairs

What is the main function of the nervous system?

• to inhale oxygen and exhale carbon dioxide

• to break down food consumed by a person for nutrients

• to control the body's activities by relaying messages

• to control the body's movements

What are the three parts of the nervous system?

• brain, spinal cord, nerves

• brain, lungs, spinal cord

• heart, brain, nerves

• brain, nerves, neurons

True or False: the right side of the brain controls the right side of your body, while the left side of the brain controls the left side of your body.

• True

• False