Which component of blood protects us from invading foreign material? plasma erythrocytes thrombocytes leukocytes

Correct D). Leukocytes

Leukocytes also called as white blood cells are the cells of the immune system that are responsible for protecting the body from the invading pathogen and infectious disease.

The monocytes of leukocytes absorb large particles, granulocytes secrete chemicals or toxin for the infectious agent and the lymphocytes attack and kill bacteria and viruses that cause infections.

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

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