Ivy Tech APHY 101 Midterm Exam – All Questions & Answers (Graded A+)

Ivy Tech APHY 101 Midterm Exam – All Questions & Answers (Graded A+) Ivy Tech APHY 101 Midterm Exam – All Questions & Answers (Graded A+) What is the difference between anatomy and physiology? - ANSWER - Anatomy is the study of structure of body parts/Physiology is the study of function of body parts What are the levels of organization? Define each. - ANSWER - Organelles, cells, tissues, organs, and organ systems What are the characteristics of life? Define each. - ANSWER - Movement, Responsiveness, Growth, Reproduction, Respiration, Digestion, Absorption, Circulation, Assimilation, Excretion. What are the requirements of life? Why is each important? - ANSWER - Water, food, oxygen, heat and pressure Define homeostasis. - ANSWER - The body's ability to keep its internal conditions stable, so that it's cells can survive. What is a homeostatic mechanism? - ANSWER - Receptors control center effectors Define Matter? - ANSWER - Matter-Anything that has mass and takes up space Element? - ANSWER - A substance that cannot be broken down into simpler substances by chemical means. Atom? - ANSWER - The smallest particle that exhibits the chemical properties of an element What is the basic unit of matter? - ANSWER - Atom What is the structure of an atom? - ANSWER - Protons and neutrons Define nucleus. - ANSWER - Nucleus-it carries DNA it is responsible for reproduction and making protein; it also has two layers Proton? - ANSWER - Positive charged elementary particle. Neutron? - ANSWER - Same as proton with no charge. Electron? - ANSWER - A subatomic particle that has a negative charge What are covalent, ionic and hydrogen bonds? What are the differences among the three? - ANSWER - Covalent- when atoms share electrons Ionic-when cations and anions bind together hydrogen-A weak attraction formed when a hydrogen atom of one molecule is attracted to a slightly negative atom within either the same molecule or a different molecule Define synthesis, decomposition and exchange reactions