Name ________________________________________________ Date _____________________________ Anatomy & Physiology Homework 2 – Organ System Overview 1. Using the key choices, indicate the body systems that match the following descriptions. Choices may be used more than once. Key: Cardiovascular Digestive Endocrine _____Urinary___ Integumentary Lymphatic Muscular Nervous Reproductive Respiratory Skeletal Urinary a. Rids the body of nitrogen-containing wastes _____Endocrine_______ b. Is affected by removal of the adrenal gland _____Skeletal_______ ____Cardiovascular___ c. Protects and supports the body organs; provides a framework for muscular action d. Includes arteries and veins _____Endocrine_____ e. Composed of “ductless glands” that secrete hormones _____Integumentary__ f. External body covering _____Lymphatic___ g. Houses cells involved in body immunity ______Digestive___ h. Breaks down ingested food into its absorbable units ___Respiratory___ i. Loads oxygen into the blood _____Cardiovascular__ j. Uses blood as a transport vehicle ____Muscular____ k. Generates body heat and provides for locomotion of the body as a whole. ____Reproductive_____ l. Necessary for childbearing (2 answers) ____Endocrine________ ____Urinary__________ m. Regulates water and acid-base balance of the blood ____Integumentary____ n. Is damaged when you fall and scrape your knee 2. Using the key from the previous page, choose the organ system to which each of the following sets of organs or body structures belongs: ____Lymphatic____ a. Lymph nodes, spleen, lymphatic vessels ___Skeletal_____ b. Bones, cartilages, ligaments ___Endocrine_____ c. Thyroid, thymus, pituitary ___Respiratory_____ d. Trachea, bronchi, alveoli ___Reproductive (F)__ e. Uterus, ovaries, vagina ____Cardiovascular__ f. Arteries, veins, heart 3. Using the key below, place the following organs in their proper body cavity: Key: Abdominopelvic Cranial Spinal Thoracic _abdonimopelvic_ a. stomach _abdonimopelvic f. urinary bladder __thoracic__ b. esophagus __toracic_ g. heart abdonimopelvic c. large intestine ___thoracic___ h. trachea abdominopelvic d. liver __cranial______ i. brain ___spinal___ e. spinal cord _abdominopelvic j. rectum 4. Using the terms provided, correctly identify all of the body organs provided with leader lines in the drawings below. Then name the organ systems by entering the name of each on the answer blank below each drawing. Key: Blood vessels Brain a. ____Nervous System_____ Heart Kidney Nerves Sensory organ b. ___Cardiovascular System_ Spinal cord Ureter Urethra Urinary bladder c. ____Urinary System___ 5. Define organ. A structure composed of two or more tissue types and performs a specific function for the body. 6. The levels of organization in all multicellular organisms from smallest to largest is: Cells → __tissue___ → ____organ____ → ____organ system___ → organism