Body systems 2

All living organisms need 4 things in order to live

[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Body Systems ,[object Object],[object Object]

Body Systems ,[object Object],[object Object],[object Object]

Body Systems ,[object Object],[object Object],[object Object],[object Object]

Body Systems ,[object Object],[object Object],[object Object],[object Object],[object Object]

Body Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Body Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Skeletal system ,[object Object]

Skeletal system ,[object Object],[object Object],[object Object],[object Object]

Skeletal system ,[object Object],[object Object],[object Object],spine

Nervous system ,[object Object],[object Object]

Nervous system ,[object Object],[object Object],[object Object]

Spine (close up showing spinal cord)

Excretory system cleans the blood, expels waste through the urine

Excretory system ,[object Object],[object Object],[object Object],[object Object],Cleans the blood, waste exits through urine

Circulatory system ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],Respiratory system

[object Object],[object Object],Respiratory system

The circulatory and respiratory systems work together. The blood that returns to the heart through the veins is depleted of oxygen. First it is pumped to the lungs.

Small sacs with thin walls allow gases to be transferred from the blood

Oxygen is taken in from the air as carbon dioxide is released

Fresh (oxygenated) blood returns to the heart to be pumped back out to the body through the arteries.

Digestive system ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Digestive system

liver Filters the blood and aids digestion

Body systems 2

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Body systems 2