Which molecules are carried in the blood?

PlasmaTransporting carbon dioxide, digested food molecules, urea and hormones; distributing heat
Red blood cellsTransporting oxygen
White blood cellsIngesting pathogens and producing antibodies
PlateletsInvolved in blood clotting

Answer and Explanation:

Oxygen molecules and sugar molecules, I think. I could be wrong..

All living things are made up of cells. Cells are building blocks of life. Cells are the simplest level of organization. The structure of multicellular organisms are made up of many parts that are required for survival of organisms. The level of organization in multicellular organisms includes: cells, tissues, organs and organ system. The organization is necessary for the body of the organisms to function properly as a characteristic feature of living being.

Magnifying glass is a convex lens that is fitted in a microscope can be used to magnify the image of object under observation. A magnifying glass in a microscope can be used to magnify minute cells and small living creatures. All cells aggregate to form tissues. It can be used to see the arrangement of cells in a tissue specimen and small organelles like chloroplast, mitochondria, nucleus and others.

Therefore, observations under the magnifying glass support  the idea of organization is one of the characteristics of life.  

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