Respiratory & Digestive System

Respiratory & Digestive System

Assessment

Flashcard

Science

4th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the main function of the respiratory system?

Back

The main function of the respiratory system is to take in oxygen and expel carbon dioxide.

2.

FLASHCARD QUESTION

Front

What is the role of the diaphragm in breathing?

Back

The diaphragm is a muscle that helps to expand and contract the lungs during breathing.

3.

FLASHCARD QUESTION

Front

What is the esophagus?

Back

The esophagus is a long tube that connects the mouth to the stomach.

4.

FLASHCARD QUESTION

Front

What is the function of enzymes in the digestive system?

Back

Enzymes help break down food into smaller molecules, including fats, proteins, and carbohydrates.

5.

FLASHCARD QUESTION

Front

What is the large intestine responsible for?

Back

The large intestine absorbs water and important vitamins from food.

6.

FLASHCARD QUESTION

Front

What are the lungs?

Back

The lungs are the organs where gas exchange occurs, allowing oxygen to enter the blood and carbon dioxide to be expelled.

7.

FLASHCARD QUESTION

Front

What is the trachea?

Back

The trachea, also known as the windpipe, is the tube that connects the throat to the lungs.

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