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Lungs are a part of the excretory system. Lungs produce a waste when we exhale which is Called A.blood B. Oxygen c.formaldehyde d. Carbon dioxide
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Lungs are a part of the excretory system. Lungs produce a waste when we exhale which is

Called A.blood B. Oxygen c.formaldehyde d. Carbon dioxide

User Paul Hazen
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2 Answers

6 votes

Answer:

D

Step-by-step explanation:

The waste our lungs produce is called carbon dioxide.

User Aladino
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5.2k points
5 votes

Answer:

Crabon Dioxide

Step-by-step explanation:

Oviously

User Yuqing Huang
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4.3k points
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