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Second Grade (Grade 2) Respiration, Digestion, and Excretion Questions

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Grade 2 Respiration, Digestion, and Excretion
When you breathe you release carbon dioxide.
  1. True
  2. False
Grade 2 Respiration, Digestion, and Excretion
The           stomach          and small intestine work together to break down the food we eat.
Grade 2 Respiration, Digestion, and Excretion
What are your lungs like?
  1. basketball
  2. balloons
  3. marbles
  4. soccer balls
Grade 2 Respiration, Digestion, and Excretion
Some animals like mammals and birds, have noses and                 to help them get air.
  1. Lungs
  2. Fins
  3. Eyes
Grade 2 Respiration, Digestion, and Excretion
What organ is not a part of the digestive system?
  1. spleen
  2. stomach
  3. small intestine
  4. large intestine
Grade 2 Respiration, Digestion, and Excretion
Where are the vocal cords located?
  1. in your lungs
  2. in your throat
  3. in your ear
  4. in your head
Grade 2 Respiration, Digestion, and Excretion
         Saliva          is a liquid created by your mouth.
Grade 2 Respiration, Digestion, and Excretion
The longest organ in your body, that is filled with villi and where you digest food is                       the small intestine                      .
Grade 2 Respiration, Digestion, and Excretion
Your             Esophagus             is a long tube that moves food from your throat into your stomach.
Grade 2 Respiration, Digestion, and Excretion
       Acid        is a dangerous chemical inside your stomach that kills bacteria in your food.
Grade 2 Respiration, Digestion, and Excretion
          Kidneys           are two small organs that clean out your blood.
Grade 2 Respiration, Digestion, and Excretion
Describe what happens in the digestive system.
Grade 2 Respiration, Digestion, and Excretion
What is digestion?
  1. Its a part of the body
  2. Its a food group
  3. The process of your body breaking down food
Grade 2 Respiration, Digestion, and Excretion
What can keep your heart and lungs healthy?
Grade 2 Respiration, Digestion, and Excretion
The bumps on your tongue are covered by what?
  1. Taste testers
  2. Taste feelers
  3. Taste buds
  4. Flavors
Grade 2 Respiration, Digestion, and Excretion
My                 help my body breathe.
  1. kidneys
  2. heart
  3. lungs
  4. bladder
Grade 2 Respiration, Digestion, and Excretion
Your sense of smell helps you to taste your food.
  1. True
  2. False
Grade 2 Respiration, Digestion, and Excretion
The food we eat gets mashed and stirred with special juices in the stomach. This is called to
  1. circulate
  2. digest
  3. ingest
  4. breathe
Grade 2 Respiration, Digestion, and Excretion
The liquid waste that the kidneys send to the bladder is called         urine        
Grade 2 Respiration, Digestion, and Excretion
The small intestine mashes the food like a baker kneads dough for bread.
  1. True
  2. False
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