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

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

You can create printable tests and worksheets from these Grade 2 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.

Grade 2 Respiration, Digestion, and Excretion
When you breathe you release carbon dioxide.
  1. True
  2. False
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
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
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
What can keep your heart and lungs healthy?
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 small intestine mashes the food like a baker kneads dough for bread.
  1. True
  2. False
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
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
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
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.