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Muscular system

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heart system

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The Renal system is when the kidneys filter blood.

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the heart pumps blood

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Humans Shed

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the digestive system we eat about 500kg a day

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the heart is a muscle

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you have 270 bones at birth and and 206 when your an adult

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circulatory system: consists of the heart and a network of blood vessels.
this system supplies the body with oxygen and nutrients, and removes waste products.

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the nervous system moves the muscles.

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nervous system- millions of cells

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The brain is made up of 10,000,000,000,00 brain cells.
Inside the human brain, there are cells called neurons.
About 6,616 are killed by brain cancer each year. (mine is the best) :)

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Nervous System.

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The nervous System

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the brain is the master mind it controls all the musculus  and nerves

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The heart systems pumps blood through your body

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the heart is important to live, and pumps blood

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Digestive System:

Is a system that converts the food you eat into energy.

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the heart is a system that continuously pumps blood thru the body. the heart beats 60 times a minute.

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the immune system

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Immune System. Responsible to protecting the body from diseases

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the skeletal system is a system of bones that is around 300 at birth and decreases to about 206

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A system is a group of related parts that make up a whole and can carry out functions its individual parts cannot.

Systems may interact with other systems; they may have sub-systems and be a part of larger complex systems.