Worksheets and No Prep Teaching Resources Reading Comprehension Worksheets Respiratory System

Why Do We Breathe? Respiratory System

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Why Do We Breathe?
Print Why Do We Breathe? Reading Comprehension with Second Grade Work

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Print Why Do We Breathe? Reading Comprehension

Reading Level

	edHelper's suggested reading level:	grades 2 to 4
	Flesch-Kincaid grade level:	4.22

Vocabulary

challenging words:

bronchitis, coughing, hemoglobin, mucus, trachea, carbon, dioxide, holds, slimy, cancer, liquid, probably, adult, respiratory, smoker, resting

Other Languages
     French: Pourquoi respire-t-on?
     Spanish: ¿Por qué respiramos?
     Italian: Perché respiriamo? (Grades 2 to 4)
     German: Warum atmen wir? (Klasse 2 bis 4)

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Why Do We Breathe? By Jennifer Kenny

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¹     Did you know that you will probably breathe in and out about 50 MILLION times in your life? Breathing means life for everyone. You have to breathe all the time. You would die if you didn't breathe. Do you know what's so amazing, though? You don't have to think about breathing. You just do it!
 
²     A baby breathes about 40 times a minute. A child breathes about 30 times a minute. An active adult breathes about 25 times a minute. Finally, a resting adult breathes about 15 times a minute.
 
³     You take in about one cup of air during each breath while you are resting. If you were doing something more active, though, like running, you would take in about six cups of air.

Paragraphs 4 to 8:
For the complete story with questions: click here for printable

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Respiratory System

Respiratory System

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