skeletal system
muscular system
circulatory system
respiratory system
body system
100

How many bones are in the typical adult human body?

206
100

What muscle is primarily responsible for breathing?

(what relaxes and contracts) 

diaphragm 

100

What organ pumps blood throughout the body?

heart

100

What organ is primarily responsible for gas exchange?

Lung

100

What organ controls most of the body's activities?

Brain

200

What is the longest bone in the human body?

femur

200

What type of muscle is attached to bones and allows voluntary movement?

skeletal muscles 

200

What blood vessels carry blood away from the heart? (how we take pulse)

arteries

200

What organ do we use to breathe?

lungs

200

What organ filters waste from the blood and produces urine?

kidneys

300

What bone protects your brain?

skull

300

What muscle tissue is found in the walls of the heart?

cardiac muscles 

300

what blood cells are responsible for fighting infections

White blood cells 

300

What gas do we breathe out?

Carbon Dioxide

300

What organ produces bile and helps detoxify substances in the blood?

Liver

400

What bone is found in your upper arm?

humerus

400

What muscle tissue is found in the walls of the heart?

tendons

400

What is the largest artery in the human body 

Aorta

400

What body system is responsible for breathing?

respiratory

400

What system is responsible for defending the body against pathogens?

immune system 

500

how many sets of ribs do we have?

12
500

What muscles help you bend your elbow?

(what flexes) 

biceps 

500

How many chambers does the human heart have?

four

500

What is the tube that carries air from your throat to your lungs?

Trachea

500

what is the largest organ of the human body 

skin