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

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Grade 5 Respiration, Digestion, and Excretion
What is the system responsible for taking in oxygen and removing carbon dioxide from the body?
  1. circulatory
  2. respiratory
  3. excretory
  4. digestive
Grade 5 Respiration, Digestion, and Excretion
Which system of the body allows you to breathe?
  1. circulatory
  2. respiratory
  3. digestive
  4. excretory
Grade 5 Respiration, Digestion, and Excretion
Which system brings oxygen into the lungs?
  1. digestive system
  2. respiratory system
  3. nervous system
  4. excretory system
Grade 5 Respiration, Digestion, and Excretion
Choose the correct order of food moving through the digestive system.
  1. mouth, stomach, esophagus, small intestine, large intestine
  2. mouth, small intestine, large intestine, esophagus, stomach
  3. mouth, esophagus, stomach, large intestine, small intestine
  4. mouth, esophagus, stomach, small intestine, large intestine
Grade 5 Respiration, Digestion, and Excretion
What organ is responsible for producing the bile that breaks down fats into smaller particles that can be more easily digested?
  1. lungs
  2. liver
  3. heart
  4. stomach
Grade 5 Respiration, Digestion, and Excretion
What system is responsible for removing salt and urea from the body?
  1. respiratory
  2. excretory
  3. nervous
  4. circulatory
Grade 5 Respiration, Digestion, and Excretion
The system responsible for carrying gases between the outside and the blood is the
  1. respiratory system.
  2. digestive system.
  3. excretory system.
  4. circulatory system.
Grade 5 Respiration, Digestion, and Excretion
Oxygen enters the body through the                 system.
  1. respiratory
  2. excretory
  3. digestive
  4. circulatory
Grade 5 Respiration, Digestion, and Excretion
Which body part is not directly related to the digestive system?
  1. lungs
  2. stomach
  3. esophagus
  4. large intestine
Grade 5 Respiration, Digestion, and Excretion
What system are the lungs, kidneys, and skin part of?
  1. digestive
  2. respiratory
  3. circulatory
  4. excretory
Grade 5 Respiration, Digestion, and Excretion
What system breaks down sugars and proteins?
  1. digestive system
  2. muscle system
  3. respiratory system
  4. circulatory system
Grade 5 Respiration, Digestion, and Excretion
Another name for the larynx is the
  1. Adam's apple.
  2. voice box.
  3. sinus cavity.
  4. throat.
Grade 5 Respiration, Digestion, and Excretion
Where does food go when it leaves the stomach?
  1. colon
  2. small intestine
Grade 5 Respiration, Digestion, and Excretion
The system responsible for breaking down food so that nutrients may enter the bloodstream is the
  1. circulatory system.
  2. respiratory system.
  3. digestive system.
  4. excretory system.
Grade 5 Respiration, Digestion, and Excretion
Which body system turns food into nutrients for the body?
  1. muscular
  2. cardiovascular
  3. digestive
  4. respiratory
Grade 5 Respiration, Digestion, and Excretion
Which system works with the respiratory system to exchange gases in the body?
  1. muscular
  2. cardiovascular
  3. nervous
  4. digestive
Grade 5 Respiration, Digestion, and Excretion
Food is in your digestive system for only 3 hours.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
What does the esophagus do?
  1. squeezes food down to the stomach
  2. helps to digest food
  3. processes food for nutrients
Grade 5 Respiration, Digestion, and Excretion
Saliva helps with
  1. mechanical digestion.
  2. chemical digestion.
Grade 5 Respiration, Digestion, and Excretion
How does your body acquire the oxygen the cells in your body need to function?
  1. osmosis
  2. diffusion
  3. breathing
  4. eating
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