1. plasma – the clear, light-yellow liquid that makes up most of your blood
  2. hemoglobin – a substance in red blood cells that picks up and carries oxygen
  3. carbon dioxide – a gas that is one of the wastes made by your cells.
  4. antibodies – substances in blood that attack and destroy microbes
  5. platelets – tiny parts of cells in your blood that help the blood thicken/clot, when you have a cut/wound
  6. atrium – an upper chamber in your heart
  7. ventricle – a lower chamber in your heart
  8. lymph – a mixture of plasma and tissue fluid that collects cell wastes
  9. trachea – the tube through which air moves from your throat to your chest; the windpipe
  10. bronchial tubes – two branches of the trachea, which go into the lungs
  11. alveoli – small, hollow air sacs inside your lungs
  12. inhalation – is the process in which the air enters the lungs
  1. exhalation – is the process in which the air leaves the lungs
  1. breathing – moving air in and out of the lungs
  1. diaphragm – a muscle that separates the chest from the abdomen, helps to also force air out of the lungs
  2. neurons – nerve cells, which make up your nervous system
  3. cerebrum – the largest part of the brain; where most of your thinking takes place
  4. cerebellum – the part of the brain that makes your muscles work together; controls most movements that you do without thinking
  5. hemispheres – two halves of a sphere, or ball-shaped object, such as the brain
  6. brain – the major organ in the nervous system
  7. spinal cord – an organ that carries messages to and from the brain
  8. nerve – is a bundle of cells that conducts messages from one part of the body to another
  9. reflex – an automatic response to stimuli
  10. endocrine system – the body system that directs certain activities such as growth and development, hormone release to cause a change in the body
  1. endocrine glands – organs that make up the endocrine system
  1. hormones – chemicals 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.
  1. pituitary gland – the gland in the endocrine system that produces growth hormone
  1. thyroid gland – the gland that controls how fast your cells turn nutrients into energy; also controls how fast nutrients are used for building and repairing cells.
  1. adrenal glands – glands that make many different kinds of hormones that control how the body uses nutrients
  2. gonads – reproductive organs that make reproductive cells and hormones

Name______PD ______EVEN/ODD Test Date ______

Body Systems Study Guide – Part II

1. What is the function of the circulatory system?

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2. What are the 3 main parts of the circulatory system?

1. ______

2. ______

3. ______

3. What is the function of the nervous system?

______

______

4. What is the function of the respiratory system?

______

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5. What are the alveoli? What happens in them?

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6. What is the function of hemoglobin? Where is it found?

______

7. What is the main function of the endocrine system?

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8. What is a hormone?

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9. What is the corpus callosum?

______

10. What is the medulla oblongata?

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