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

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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
When you breathe you release carbon dioxide.
  1. True
  2. False
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
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 is digestion?
  1. It is a part of the body.
  2. It is a food group.
  3. It is the process of your body breaking down food.
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
         Saliva          is a liquid created by your mouth.
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
Describe what happens in the digestive system.
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
Your sense of smell helps you to taste your food.
  1. True
  2. False
Grade 2 Respiration, Digestion, and Excretion
What can keep your heart and lungs healthy?
Grade 2 Respiration, Digestion, and Excretion
The small intestine mashes the food like a baker kneads dough for bread.
  1. True
  2. False
Grade 2 Respiration, Digestion, and Excretion
What does saliva do?
Grade 2 Respiration, Digestion, and Excretion
My           stomach           is like a bag made of muscles.
Grade 2 Respiration, Digestion, and Excretion
You can taste 5 different flavors: sweet, sour, bitter, salty and umami (a savory taste).
  1. True
  2. False
Grade 2 Respiration, Digestion, and Excretion
It takes about 2 hours after swallowing for the food to reach the stomach.
  1. True
  2. False
Grade 2 Respiration, Digestion, and Excretion
My lungs are made up of one thousand sacs that fill up with air and let the air out.
  1. True
  2. False