Which best compares and contrasts red blood cells and white blood cells?
both are produced in the red bone marrow. red blood cells transport oxygen, and white blood cells protect the body against disease.
both are produced in the red bone marrow. red blood cells carry all blood components, and white blood cells the body heal cuts.
both are made of hemoglobin. red blood cells transport oxygen, and white blood cells protect the body against disease.
both are made of hemoglobin. red blood cells carry all blood components, and white blood cells the body heal cuts.

The correct answer is both are produced in red bone marrow.red blood cells transport oxygen while white blood cells protect the body against disease.

Explanation:

Red blood cells or RBC contain hemoglobin protein that helps in the transport of oxygen and carbon dioxide to and from our body.

   Where as white blood cells provide defence to our body against various invaded pathogens.There are many types of White blood cells such as eosinophyll, basophyll,neutrophyll,monocyte and lymphocyte.

  Both RBC and WBC are generated from red bone marrow.

trachea, alveoli, lung capillaries, arteries

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.