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Introduction to Anatomy & Physiology and Cellular Chemistry

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  • What is Anatomy?

    Anatomy is the study of the structure and organization of body parts.

  • What is Physiology?

    Physiology is the study of the functions and processes of body parts.

  • How are Anatomy and Physiology related?

    They are complementary; anatomy studies structure, while physiology studies function.

  • What is the importance of Chemistry in Anatomy & Physiology?

    Chemistry explains the molecular basis of body structures and functions.

  • Define Biochemistry in the context of human body.

    Biochemistry studies the chemical processes and substances within living organisms.

  • What is Cytology?

    Cytology is the study of cells, their structure, function, and chemistry.

  • What does RMP stand for and what is it?

    RMP stands for Resting Membrane Potential, the electrical potential difference across a cell membrane at rest.

  • What causes the Resting Membrane Potential?

    It is caused by the unequal distribution of ions, mainly Na+ and K+, across the cell membrane.

  • What are membranous organelles?

    Organelles surrounded by membranes, such as the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus.

  • Name the main membranous organelles in a cell.

    Nucleus, mitochondria, endoplasmic reticulum (rough and smooth), Golgi apparatus, lysosomes, and peroxisomes.

  • What is the function of the nucleus?

    The nucleus stores genetic material and controls cell activities.

  • What role do mitochondria play in the cell?

    Mitochondria produce energy (ATP) through cellular respiration.

  • Describe the rough endoplasmic reticulum (RER).

    The RER has ribosomes and synthesizes proteins for export or membranes.

  • What is the function of the smooth endoplasmic reticulum (SER)?

    The SER synthesizes lipids and detoxifies chemicals.

  • What does the Golgi apparatus do?

    The Golgi apparatus modifies, sorts, and packages proteins and lipids for transport.

  • What is the role of lysosomes?

    Lysosomes contain enzymes to digest cellular waste and foreign material.

  • What is the basic chemical composition of the human body?

    Primarily water, proteins, lipids, carbohydrates, and nucleic acids.

  • What is the significance of water in the body?

    Water is the main solvent and medium for chemical reactions in the body.

  • What are the four major types of biological macromolecules?

    Proteins, lipids, carbohydrates, and nucleic acids.

  • What is the role of proteins in the body?

    Proteins function as enzymes, structural components, and signaling molecules.