Want to see correct answers?
Login or join for free!
  Biology Worksheets
Looking for Biology worksheets?
Check out our pre-made Biology worksheets!
Share/Like This Page
Filter By Grade

You are browsing Grade 5 questions. View questions in All Grades.

Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12 College Continuing Education

Browse Questions

Fifth Grade (Grade 5) Respiration, Digestion, and Excretion Questions

You can create printable tests and worksheets from these Grade 5 Respiration, Digestion, and Excretion questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 3 of 6 Next
Grade 5 Respiration, Digestion, and Excretion
In the digestive tract, food moves from the mouth to the anus.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
What does saliva do?
  1. makes it easier to swallow
  2. makes food taste better
Grade 5 Respiration, Digestion, and Excretion
The long tube that runs from the mouth to the stomach is the
  1. stomach.
  2. anus.
  3. pancreas.
  4. esophagus.
Grade 5 Respiration, Digestion, and Excretion
What word best describes the function of the trachea?
  1. pumping station
  2. entrance point
  3. muscle
  4. passageway
Grade 5 Respiration, Digestion, and Excretion
Digestion begins after you have chewed up your food.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
Which statement best explains the effects of exercise on the respiratory system?
  1. Exercise increases breathing rate, which makes the lungs stronger.
  2. Exercise increases breathing rate, which makes the bones stronger.
  3. Exercise decreases breathing rate, which sends more oxygen to the brain.
  4. Exercise decreases breathing rate, which produces more wastes for the kidneys to process.
Grade 5 Respiration, Digestion, and Excretion
What happens when your diaphragm relaxes and moves upward?
  1. The lungs deflate and you breathe out.
  2. The lungs inflate and you breathe in.
  3. The alveoli transfer oxygen to your bloodstream.
  4. The bloodstream transfers carbon dioxide to your alveoli.
Grade 5 Respiration, Digestion, and Excretion
Where does the transfer of oxygen into the bloodstream take place?
  1. heart
  2. trachea
  3. alveoli
  4. nasal passages
Grade 5 Respiration, Digestion, and Excretion
                is the substance in the mouth that aids in breaking down chewed food.
  1. Enzyme
  2. Chyme
  3. Saliva
  4. Acid
Grade 5 Respiration, Digestion, and Excretion
The body keeps food in the                 until it is digested well.
  1. large intestine
  2. small intestine
  3. rectum
  4. kidneys
Grade 5 Respiration, Digestion, and Excretion
Your stomach can expand when food enters it and then later fold up and get smaller when the food leaves it.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
The incisor teeth are the
  1. back molars of the mouth.
  2. four front teeth in the top and bottom of the mouth.
  3. teeth found only in some mouths.
  4. only baby teeth in the mouth.
Grade 5 Respiration, Digestion, and Excretion
The urinary system contains the kidneys and bladder.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
What is another word for saliva?
  1. spit
  2. water
Grade 5 Respiration, Digestion, and Excretion
Place the events in sequence: A) Air pressure inside your lungs drops; B) The diaphragm contracts; C) Air from outside rushes into your lungs.
  1. A, B, C
  2. B, A, C
  3. C, A, B
  4. B, C, A
Grade 5 Respiration, Digestion, and Excretion
Approximately how long does food stay in the digestive system?
  1. 6 to 8 hours
  2. 12 hours
  3. 36 hours
  4. 72 hours
Grade 5 Respiration, Digestion, and Excretion
The esophagus is part of the reproductive system.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
What part of a bear's body processes waste?
  1. heart
  2. pancreas
  3. bone
  4. kidney
Grade 5 Respiration, Digestion, and Excretion
The large intestine pushes the                 waste out of the body through the rectum.
  1. solid
  2. liquid
  3. soft
Grade 5 Respiration, Digestion, and Excretion
Food leaves the body as it leaves the large intestine.
  1. True
  2. False
Previous Page 3 of 6 Next