Module 1-Introduction to Anatomy and Physiology, the Chemistry of Life, Cell Structure and Function

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1. Please define the terms anatomy and physiology. Explain the connection between anatomy and physiology within the human body; basically how do they influence one another? Then using the terminology of the anatomical landmarks/regions and directional terms, please write 2 example sentences with proper usage. For example, “the axilla region is superior to the cubital region of the body”. Anatomy, a word with Greek origins, is the study of internal and external structure and the physical relationships between body parts. Anatomy describes the structures of the body and what they are made if, where they are located, and who/what they are associated with. Physiology is also a word that is derived from the Greek, it is the study of how living organisms perform their vital functions. Physiology is the break down of how the body functions in an anatomical structure and the study of individual cooperative functions. “The thoracic cavity contains the pericardial cavity and the pleural cavity”. “The muscle known as the Diaphragm separates the thoracic cavity from the abdominopelvic cavity”. Anatomy and Physiology are connected by many different levels that’s all work together to make the body function as a whole. Relationships between anatomy and physiology start with Chemical level: Atoms are the smallest chemical units. Molecules are a group of atoms working together. Cellular level: Cells are a group of atoms, molecules, and organelles working together. Tissue level: a tissue is a group of similar cells working together. Organ level: an organ is a group of different tissues working together. Organ system level: An organ system level is a group of organs working together. Humans have 11 organ systems. Organism level: a human is an organism. 2. Compare and contrast the two feedback mechanisms our bodies use to maintain homeostasis. What

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