1.The mouth. You begin to digest carbohydrates the minute the food hits your mouth. ...
The stomach. From there, you swallow the food now that it's chewed into smaller pieces. ...
The small intestine, pancreas, and liver. ...
Colon.
2.Inhalation (inspiration) draws gases into the lungs. Exhalation (expiration) forces gases out of the lungs. The larynx, nasal cavity, paranasal sinuses, teeth, lips, and tongue work to produce sound.
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Answer:
A cell are the basic units of structure and make up tissues
Explanation:
The three rules of cells are
Cells are the basic unit of life
cells come from preexisting cells
All living things are composed of one or more cells
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Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young. Internal fertilization also enhances the fertilization of eggs by a specific male.
Pyruvate kinase muscle isozyme M2 (PKM2) is a limiting glycolytic enzyme that catalyzes the final step in glycolysis, which is key in tumor metabolism and growth. The present review discusses the expression and regulation of PKM2, and reports the dominant role that PKM2 plays in glycolysis to achieve the nutrient demands of cancer cell proliferation. In addition, the present study discusses the non-metabolic function of PKM2, and its role as a coactivator and protein kinase, which contributes to tumorigenesis. Furthermore, conflicting studies concerning the role of PKM2 as a therapeutic target are reviewed. The improved understanding of PKM2 may provide a noval approach for cancer treatment.
