Directions: Fill in the blanks with the missing words to complete the paragraph.
In the process of respiration, there is an exchange of (1) _____ and (2) _____. In the body, oxygen is continuously supplied to your (3) ____ and is in every (4) ____. After the cellular breakdown of (5) _____, (6) _____ is released by your cell. This gaseous waste is again (7) _____ by your (8) _____ and is expelled from your body system.
The breathing rate of individual varies according to (9) _____ or activities. Infants breathe 30 to 40 times while at your age, until you are about 25, the rate is further slowed down, about (10) _____ times a minute
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i dont know the answer thas is so hard