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Unit 1 Chapters 1 and 2

Unit 1 Chapters 1 and 2. Samantha Silver Vaishnavi Rao Jason Ma Shelief Juarez Sara Wong. What Unit 1 Covers. Levels of organization Body systems Biochemistry (macromolecules) Cross sectional planes Anatomical terms. Levels of Organization.

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Unit 1 Chapters 1 and 2

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  1. Unit 1Chapters 1 and 2 Samantha Silver VaishnaviRao Jason Ma SheliefJuarez Sara Wong

  2. What Unit 1 Covers • Levels of organization • Body systems • Biochemistry (macromolecules) • Cross sectional planes • Anatomical terms

  3. Levels of Organization Metabolism : all the chemical reactions occurring in the body. Homeostasis: Body’s maintenance of a stable internal environment

  4. Organ Systems

  5. FUN Positional Terms !!!!  • Superior versus Inferior • Anterior versus Posterior • Medial versus Lateral • Ipsilateral versus Contralateral • Proximal versus Distal • Superficial versus Deep

  6. Cross Sections Sagittal Transverse Coronal

  7. FUN Abdominal Subdivisions

  8. FUN Anatomical Regions

  9. Common Body Minerals

  10. Carbohydrates • Sugars • Provide both energy and structure • There are 3 types: • Monosaccharide • 1 sugar – quick energy • Disaccharide • 2 sugars – short storage • Polysaccharide • many sugars –long term energy storage

  11. Lipids • Water insoluble • Triglycerides: insulation and long-term energy • Phospholipids: make up cell membrane • Steroids: cell signaling • Includes androgens and estrogens. • Waxes: prevent water loss, protect

  12. Proteins • Versatile in function • Prevalent

  13. Nucleic Acids: DNA and RNA • Made up of nucleotides • phosphate molecule, • nitrogenous base, and • 5-carbon sugar • Several types of nucleic acids, including: • DNA: deoxyribonucleic acid, double stranded helix • RNA: ribonucleic acid that is used for making proteins, single stranded, includes uracil instead of thymine • ATP: adenosine triphosphate, provides energy for cell

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