Introduction to Human Anatomy and Physiology Exam Questions with Correct Answers

Introduction to Human Anatomy and Physiology Exam Questions with Correct Answers A group of tissues that work together to perform a particular task is called a(n)_____. - Answer-Organ List the structural units of living things from smallest to largest. - Answer-1) Cells - basic unit of life/smallest unit of life. 2) Tissues -made up of cells to perform a particular function. 3) Organs - made up of tissues to perform a particular function. 4) Organ System - made up of cells, tissues, and organs. 5) Organism - any living thing that reproduces and carries out life functions The single most abundant chemical substance of the body, accounting for 60-80% of body weight is _____. - Answer-Water What is the pH of blood? - Answer-7.4 List the four organic compounds. - Answer-Carbohydrates Lipids Protein Nucleic Acid Name the four common elements found in the human body. - Answer-Carbon Hydrogen Nitrogen Oxygen