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

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Grade 5 Respiration, Digestion, and Excretion
Which system of the body helps you breathe?
  1. Circulatory
  2. Respiratory
  3. Digestive
  4. Excretory
Grade 5 Respiration, Digestion, and Excretion
The             digestive            system is a system which includes mouth, esophagus, stomach, small intestine and large intestine.
Grade 5 Respiration, Digestion, and Excretion
Swallowed food enters this long tube that leads from the mouth to the stomach. Muscles here squeeze to push the food through.

Who am I?             esophagus            
Grade 5 Respiration, Digestion, and Excretion
I am the organ that contains enzymes and gastric juices that break down the food.

Who am I?           stomach          
Grade 5 Respiration, Digestion, and Excretion
This is where most of the digestion takes place. Here, nutrients are absorbed through my walls.

Who am I?                  small intestine                  
Grade 5 Respiration, Digestion, and Excretion
Oxygen enters the body through the                   .
  1. Respiratory System
  2. Excretory System
  3. Digestive System
  4. Circulatory System
Grade 5 Respiration, Digestion, and Excretion
The process of breaking down food into simple nutrients is                .
  1. Locomotion
  2. Excretion
  3. Digestion
  4. Circulation
Grade 5 Respiration, Digestion, and Excretion
What organs help us breathe?
  1. kidneys
  2. lungs
  3. large and small intestines
  4. bladder
Grade 5 Respiration, Digestion, and Excretion
The removal of waste is called                .
  1. Digestion
  2. Circulation
  3. Excretion
  4. Control
Grade 5 Respiration, Digestion, and Excretion
The lungs are part of the respiratory system.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
Which body system turns food into energy for the body?
  1. Muscular system
  2. Cardiovascular system
  3. Digestive system
  4. Respiratory system
Grade 5 Respiration, Digestion, and Excretion
What does the esophagus do?
  1. squeezes food down to your stomach
  2. helps to digest food
  3. processes food for nutrients
Grade 5 Respiration, Digestion, and Excretion
Which system breaks down food into nutrients?
  1. Respiratory
  2. Digestive
  3. Circulatory
  4. Excretory
Grade 5 Respiration, Digestion, and Excretion
Where does digestion begin?
  1. small intestine
  2. stomach
  3. mouth
Grade 5 Respiration, Digestion, and Excretion
How does the respiratory system help processes in other body systems?
  1. It clears waste from the body.
  2. It pumps blood throughout the body.
  3. It provides nutrients to cells all over the body.
  4. It provides oxygen ­rich blood to the rest of the body.
Grade 5 Respiration, Digestion, and Excretion
Where is most food digested?
  1. mouth
  2. stomach
  3. small intestine
Grade 5 Respiration, Digestion, and Excretion
What is a tube that sends food to the stomach?
  1. diaphragm
  2. esophagus
  3. rectum
  4. villi
Grade 5 Respiration, Digestion, and Excretion
Which of the following best describes the structures of the respiratory system?
  1. heart, blood, vessels
  2. nose, trachea, lungs
  3. brain, spinal cord, nerves
  4. esophagus, stomach, intestines
Grade 5 Respiration, Digestion, and Excretion
In a digestive track, food moves from the mouth to the anus.
  1. True
  2. False
Grade 5 Respiration, Digestion, and Excretion
The incisors are found where?
  1. the back molars of the mouth
  2. the front four teeth in the top of the mouth
  3. they aren't found in the mouth
  4. they are only baby teeth
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