252 Midterm Exam 2026 / BIOS252
Midterm Exam (Review and Essay Question
Answer) Anatomy and Physiology II with Lab:
Chamberlain College of Nursing
• “Cutting things up.†Structure of the body and how the parts relate to each other in space.
Physiology
• “Study of nature.†Function of a living organism, how it works, and maintains life.
Levels of organization (molecular, cellular, tissue level, etc.)
• Chemical/molecular level: atoms and molecules
• Cellular level: cells – basic structural unit of life, smallest living unit
• Tissue level: tissues are groups of cells that work together to perform a particular function
• Organ Level: organ is a collection of tissues
• Organ System:several levels
• Organism level: the human body
Homeostasis(give examples, thermoregulation, water regulation, blood pressure regulation)
• Condition of equilibrium in the body’sinternal environment, and maintained by
regulatory processes.
• Survival of our body cells is dependent on the precise regulation of the chemical composition
of theirsurrounding fluid o Fluid known as extracellular fluid, and fluid that fills narrow spaces
between cells is interstitial fluid.
â–ª Other types are blood plasma, lymph, cerebrospinal fluid, synovial fluid,
aqueous humor, and vitreous body.
• Internal conditions are in a dynamic equilibrium; set point (like thermostat in house)