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3 systems that work to fight against disease are, organs, tissues, and cells.

2 organs that are used to protect against desease are the mucous membranes, and the lungs.

1 way the body naturally work to protect the body is its skin that helps against pathogens

acceleration= v2-v1/t so 8m/s-3m/s / 3s =to 8/3 or

2.67 m/s^2

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-lavira: )

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )