APHY 101 IVY TECH MIDTERM REVIEW Exam || Complete Questions & Answers (Rated A+)

APHY 101 IVY TECH MIDTERM REVIEW Exam || Complete Questions & Answers (Rated A+) APHY 101 IVY TECH MIDTERM REVIEW Exam || Complete Questions & Answers (Rated A+) What is the difference between anatomy and physiology? - ANSWER - anatomy is study of body structure and physiology is study of how those structures work What are the levels of organization and define each - ANSWER - organelle: cell structure that carries out special function in the cell cell: basic unit of structure & function in a living thing tissue: a group of similar cells that are organized to do a specific job organ: a collection of tissues that carry out a specialized function of the body organ system: group of organs that work together to perform a specific function organism: a living thing made of a group of organ systems What are the characteristics of life and define each - ANSWER - Responsiveness to the environment, growth and change, ability to reproduce, have a metabolism and breathe, maintain homeostasis, being made of cells, passing traits to offspring what are the requirements of life? why is each important? - ANSWER - water: needed to transport substances to regulate the body food: needed to supply energy and for regulation oxygen: needed to help release energy from food substances heat: needed to regulate the rate of metabolic processes pressure: needed for breathing and circulation Define homeostasis - ANSWER - Maintaining a stable internal environment what is a homeostatic mechanism - ANSWER - tendency to maintain relatively constant conditions in the environment Define matter, element and atom. What is the basic unit of matter? - ANSWER - matter: any substance that has mass and takes up space atom: smallest unit of ordinary matter basic unit of matter: atoms what is the structure of an atom - ANSWER - protons, neutrons, electrons define nucleus, proton, neutron, and electron. What charges do each of these particles have? - ANSWER - nucleus: central core of an atom, positive proton: stable subatomic particle, positive neutron: subatomic particle, no charge electron: stable subatomic particle, negative what are covalent, ionic and hydrogen bonds and what are the differences between the three?