What is the primary function of the excretory system?
Eliminate waste from the body
Which organ is responsible for filtering blood?
Kidneys
Where does urine get stored before it is eliminated from the body?
Bladder
What is the tube that carries urine from the kidneys to the bladder?
Ureter
How does the excretory system help maintain water balance in the body?
By releasing excess water
What are the filters in the kidneys called?
Nephrons
What is the main function of the respiratory system?
Exchange gases
Which organ is NOT part of the respiratory system?
Lungs, Liver, Trachea, Bronchi
Liver
Where does gas exchange occur in the respiratory system?
Alveoli
What is the role of the diaphragm in breathing?
Muscle that contracts and relaxes that help the lungs inhale oxygen and exhale carbon dioxide.
What is the process of inhaling and exhaling called?
Respiration
What is the function of the cilia in the respiratory system?
Filter the air we breathe in
Where does air enter the respiratory system?
Nasal Cavity
Which gas do humans primarily inhale?
Oxygen
What is the purpose of the epiglottis?
Prevent food from entering the trachea
How does smoking affect the respiratory system?
Damages the cilia and bronchi
What is the name of the tube that connects the throat to the bronchi?
Trachea
What is the purpose of the bronchi in the respiratory system?
Carry air to the lungs
During inhalation, what happens to the diaphragm?
Contracts and moves down
Which respiratory structure contains tiny air sacs where gas exchange occurs?
Alveoli
What is the primary waste product expelled during exhalation?
Carbon Dioxide
What is the role of the ribcage in the respiratory system?
Protect the lungs
How is oxygen transported from the lungs to the rest of the body?
Through the bloodstream
What causes hiccups?
Irritation of the diaphragm
What is the main purpose of the respiratory system in the human body?
Exchange gases for cellular respiration
What part of the respiratory system is commonly referred to as the windpipe?
Trachea
During gas exchange, which substance moves from the alveoli into the blood?
Oxygen
The vocal cords stretch across the opening of the...
Larynx
Cells in the trachea have ________ which sweep mucus up the pharynx so we can cough it out.
Cilia
TRUE OR FALSE: Bronchi branch off into smaller tubes called Bronchioles?
True