5 Written Questions

1. a tissue or group of tissues that makes and releases chemicals such as hormones
2. large, sponge like organs in which oxygen and carbon dioxide pass between the blood and the air
3. the body system made of the skeletal muscles that move in the body
4. the group of organs and glands that work together to digest food
5. two or more tissues that work together to perform a special function

5 Matching Questions

1. nutrient
2. hormone
3. body system
4. cell
5. circulatory system

1. a a substance in food that the body needs in order to work properly
2. b the simplest and most basic unit of all living things
3. c a chemical made in one part of the body that is released into the blood, that is carried through the bloodstream, and that causes a change in another part of the body; controls growth and development and many other body functions.
4. d the body system made up of the heart, of the blood vessels, and of the blood
5. e a group of organs that work together to complete a specific task in the body

5 Multiple Choice Questions

1. the major organ of the nervous system; the mass of nervous tissue that is located inside the skull.
   1. organ
   2. urine
   3. vein
   4. brain
2. a bundle of cells that conducts electrical signals from one part of the body to another
   1. urine
   2. vein
   3. cell
   4. nerve
3. the process of breaking down food into a form that the body can use
   1. vein
   2. brain
   3. digestion
   4. tissue
4. a blood vessel that carries blood away from the heart
   1. artery
   2. organ
   3. brain
   4. bone
5. the liquid waste that is made of excess water and wastes removed the blood by the kidneys and that is released from the body through the urethra
   1. vein
   2. joint
   3. brain
   4. urine

5 True/False Questions

1. respiratory system → the body system made up of the heart, of the blood vessels, and of the blood

   True        False

2. blood → a tissue made up of cells, fluid, and other substances that carries oxygen, carbon dioxide, and nutrients in the body

   True        False

3. skeletal system → the body system made of bones, cartilage, and the structure that connects them

   True        False

4. urinary system → a group of organs that remove liquid wastes from the blood

   True        False

5. bone → a tissue made up of cells, fluid, and other substances that carries oxygen, carbon dioxide, and nutrients in the body

   True        False