How much does a skeleton weigh?
23 pounds
what color is your blood
RED
what calms the Nervous system?
soft music
what do we breathe out?
carbon dioxide
how many body system are there?
11
How many bones does a human foot have?
26
can you live without your circulatory system?
no
What is include in the Nervous system?
the brain, spinal cord, and a complex network of nerves
what is the most important part of the respiratory system
the nose, throat, and lungs
why is blood red?
it is created red
How many bone does a adult human have?
206
what is the 3 main parts of the circulatory system?
heart, blood vessels, and blood
what does the Nervous system control?
the brain
what is the respiratory system responsible for?
to move fresh air into your body
what is the biggest organ in the human body?
the skin
What the strongest bone in the your body?
the femur
what is a healthy amount of physical activity a week?
150 min
what are nerves made of?
the cell body
what body organ can only float on water?
the lungs
are baby born with bones?
yes
What is a bone marrow?
is a semi solid tissue
how long is the entire circulatory system?
60000 miles long
what is the largest part of the brain?
cerebrum
what muscles do we use to breathe?
the diaphragm
how much blood is in the human body?
5.6 liteer