Aphy 101 Midterm Exam Latest Questions And Correct Answers

• Explain the difference between the study of Anatomy and the study of Physiology: Anatomy – “a cutting up” examines the structures, or morphology, of body parts their forms & organization. Physiology – “ Relationship to nature” considers the functions of the body parts what they do & how they do it • Name the levels of organization of life, simplest to most complex: Organelle, Cells, Tissues, Organs, Organ system, Organism • Define Organelle: structures in cells of complex organisms including humans. Functional part of cell. Carry on specific activities. Composed of assemblies of large molecules. (ex. Mitochondrion, nucleus) • Define cells: The basic unit of structure and function. Vary in shape and size. Share same characteristics of life and must meet certain requirements to stay alive. • Define tissues: layers or masses of specialized cells with specific functions (ex. Bone) • Define organs: Groups of different tissues. Complex structures with specialized functions. (ex. Skin, femur, heart, kidney) • Define organ system: Groups of organs that function closely together • Define organism: Interacting organ systems (ex. Human) • What are the requirements of life, and why is each important?: water – environment for metabolic processes, transport substances, body temp; food – nutrients, energy, raw materials; oxygen – release energy; heat – body temp, rate of metabolic reactions; pressure – breathing, blood flow • Define homeostasis: Maintenance of a relatively constant internal environment. All cells are