what does the skeletal system do?
supports the body
what does the muscle system do
moves and operates the body
what does the nervous system do
it controls and communicates with the body
what does the respiratory system do
gives oxygen to the body
what does the digestive system do
breaks down and absorbs food
how many bones are there in the body
206
how many muscles are there in the human body
over 650
how many nerves are in the human body
over 7 trillion
how many organs are in the respiratory system
six
how many organs are in the digestive system
eight
what are bones made up of
collagen and calcium phosphate
the three types of muscles
skeletal muscles,smooth muscles, and cardiac muscles
three types of nerves
autonomic nerves,motor nerves,sensory nerves
a type of respiratory infection
the cold,flu,and covid-19
types of digestive system disease
cancer,heartburn,lactose intolerant
what are the two types of bone
cortical bone and spongy bone
what are muscles made of
actin and myosin
what are nerves made of
bundles of axons
the lungs
most important part of the digestive system
the small intestine
skeletal system parts
skull,joints,bones
what is the strongest muscle in the body
the masseter muscle in the jaw
what is the most sensitive nerve in the body
the trigeminal nerve
parts of the respiratory system
the nose,mouth,throat,voice box,windpipe,and lungs
organs in the digestive system
mouth,throat,esophagus,stomach,small intes