Digestive system
how many parts are in the digestive system?
7
how many parts are in the muscular system?
600
how many parts are in the nervous system?
2 main
3
7
what is the most important part in the digestive system?
small intestine
what is the most important part in the muscular system?
skeletal
what is the most importent part of the nervous system?
brain
what is the most importent part of the circulatory system?
the heart
what is the most important part of the respiratory system?
The lungs
what part comes first in the digestive system?
mouth
what part comes first in the muscular system?
Human embryo hearts.
whats the first part in the nervous system?
spinal cord
what is the first part of the circulatory system?
the heart
what part comes first in the nervous system?
the lungs
How many systems are in the human body?
ten major systems
How many bones are in an adult body?
206
how many part of each system are there?
around 78
how many times does the human blink in a day?
between 14,400 and 19,200
how old was the oldest person to live?
122
how does the small intestine work?
It helps to further digest food coming from the stomach.
how does the skeletal muscle work?
The fibers contract, which allows the muscles to move bones so you can perform lots of different movements.
how does the brain work?
Its purpose is that it helps you pull your hand away from hot serfuses.
how does the heart work?
It helps circulate the blood around your body.
how does the lungs work?
They help bring oxygen for you to breath.