Respiratory System
What is the main organ of the respiratory system?
Lungs
What is the name of the "pump" of the circulatory system?
Heart
List 1 thing that the brain controls?
Answers may vary.
What is the main job of the respiratory system?
What type of air does the body breathe in?
Oxygen
What is the muscle called that contracts and expands the lungs?
Diaphragm
How many chambers are there in the heart?
4
What is the name of the organ that works with the brain to send/receive messages?
Spinal Cord
What system does the circulatory system work closely with?
Respiratory System
What type of air does the body breathe out?
Carbon Dioxide
What is the name of the tube that takes air from our nose/mouth to our lungs?
Trachea
What is the name of the TOP two chambers of the heart?
Atriums
The brain sends chemical and _____________ signals (messages).
What is the name of the BOTTOM two chambers of the heart?
Ventricles.
How is your brain similar to a computer? (Give one reason).
Answers may vary.
What are the "air sacs" called in our lungs?
Alveoli
What does the heart deliver to the body (that it got from the lungs)?
Oxygen
Which type of nerve sends messages from the senses to the brain?
Sensory Nerve
Which type of nerve sends messages from the brain to the muscles?
Motor Nerve
Why does our heart need to be a MUSCLE?
So it can pump/squeeze/move blood.
What happens in the alveoli?
Oxygen enters the blood (other option: carbon dioxide is removed from the blood).
What is the job of the arteries and veins?
Carries blood to and from the heart (tubes).
What is another word for nerve? (not on test)
nerve cell, brain cell, neuron
Why do we have valves in the heart?
They keep the blood moving in the right direction and/or Stop it from flowing backwards.
Name one part of the brain. (not on test)
Cerebrum, cerebellum, brain stem