APHY 101 - Midterm Ch. 1-6 Questions & Answers Correct 100%

Explain the difference between the study of Anatomy and the study of Physiology - ANSWERSAnatomy is the study of structure of body parts/Physiology is the study of function of body parts Name and define the levels of organization of life - ANSWERSOrganelles, cells, tissues, organs, and organ systems Define Metabolisim - ANSWERSThe sum of all physical and chemical events that obtain, release, and utilize energy Define Homeostasis. How does a homeostatic mechanism maintain homeostasis? - ANSWERSThe body's maintenance of a stable internal environment. Depend on normal concentrations of water, nutrients, and oxygen, and normal body temperature and pressure What is meant by negative feedback? How does negative feedback affect homeostatic mechanisms? - ANSWERSWorks to correct a deviation from a set point (Tries to get back to the set point/normal) Describe the structure of a serous membrane - ANSWERSSmooth membrane consisting of 2 layers of epithelial cells which secrete serous fluid What are signs of aging at the cellular level? - ANSWERSImpaired cell division and the ability to break down and recycle worn cell parts What is meant by anatomical position? - ANSWERSUniversal body position: Standing erect, facing forward, upper limbs at the sides, palms facing forward and thumbs out. Explain why chemistry is an important part of the study of Physiology - ANSWERSBody functions depend on cellular functions that, in turn, result from chemical changes Atom - ANSWERSThe smallest unit of matter that defines the chemical elements Element - ANSWERSFundamental substances in which all matter is composed of Molecule - ANSWERS2 or more atoms may combine to form a molecule Compound - ANSWERSA substance made from two or more elements chemically combined APHY 101 - Midterm Ch. 1-6 Questions & Answers Correct 100%