Which is the correct pathway of oxygen as it travels from the lungs and goes to the cells of the body? lungs, goblet cells, cilia, trachea, cells
lungs, trachea, alveoli, larynx, cells
lungs, bronchioles, alveoli, capillaries, cells
lungs, alveoli, bronchi, pharynx, cells

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

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