The Human Body
Which is the smallest functional and structural unit of all living organisms: tissue, cells or organs?
Cells.
What do we inhale and exhale?
What is the function of the circulatory system?
It controls the movement of blood through the human body.
What human habit can harm our respiratory system (lungs)?
Smoking, vaping, etc.
What is the function of the digestive system?
To absorb and digest your food.
What is an example of an internal body organ?
*any inside the body that you cannot see
What is the official name of our windpipe?
The trachea.
Arteries.
What environmental factor can harm our respiratory system?
Pollution, dust, smoke, etc.
True or false: food and oxygen travel down the same pipe.
What is an example of an external body organ?
Skin, nose, eyes, ears, mouth, etc.
Which important muscle allows our lungs to breathe in and out?
The diaphragm.
Do arteries or veins pump blood from the body back to the heart?
Veins.
Which respiratory condition makes it difficult to breathe because of inflammation (swelling) of the airway?
Asthma.
What comes first when food is being digested through the body: the small intestine or large intestine?
Small intestine.
Which body system is responsible for circulating blood through the body?
Circulatory System.
The two tubes that divide off of the trachea are called what?
The bronchi.
What is the difference between a resting heart rate and an active heart rate?
A resting heart rate is the number of times your heart beats per minute when you are completely calm and inactive, while an active heart rate is how fast your heart beats during physical exertion or exercise.
What's it called when blood cannot get to the brain, causing someone to lose feeling on one side of their body, unable to speak or walk?
A stroke.
True or false: chewed up food is called a bolus.
True.
Which body system is responsible for bringing oxygen into the body and expelling carbon dioxide?
Respiratory System.
What's the name of the air sacs that absorb oxygen from the air?
Alveoli.
What are the tiny blood vessels called that connect arteries and veins?
Capillaries.
True or false: high blood pressure (when the force of blood pushing against the walls of a blood vessel is too high) can cause blood clots.
True.
A gallstone is a hard material that forms inside of the which organ?
The gallbladder.