SCIENCE - FOURTH

what is cell?

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Select the levels of cellular organization.

• tissue

• heart

• organ

• system

• stomach

write what is the function of the respiratory system

• nutrient absorption

• Gas exchange, oxygen and carbon dioxide

• transport oxygen and nutrients to cells

what is the function of the digestive system?

• Gas exchange, oxygen and carbon dioxide

• transport oxygen and nutrients to cells

• nutrient absorption

what is the function of the circulatory system?

• transport oxygen and nutrients to cells

• nutrient absorption

• Gas exchange, oxygen and carbon dioxide

Write the parts respiratory system.

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write the parts digestive system,

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Select the composition blood.

• veins

• platelets

• arteries

• white blood cells

• plasma

Write the parts circulatory system.

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write how we should take care of our body

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