..is a waste material of our body. (Mucus/ Blood/ Oxyge
stem acts as internal tranen
Answers
Answered by
1
Answer:
Mucus is a waste material of our body
Answered by
1
Answer:
mucus
Explanation:
the blood is necessary for our body and also isrequire to blood circulation and respiration so mucus is not necessary and it is also waste of body so answer mucus
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