Which two systems work together to make and carry white blood cells to a site of injury in the body?

Explanation:

Increased blood flow removes infected cells from the body at the site of the injury. Increased blood flow carries white blood cells to the site of the injury. Increased blood flow allows for an increase in the exchange of O 2 and CO 2 at the site of the injury.

immune system

Explanation:

white blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes (T cells and B cells).

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.

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