Answer:
1. Metabolic wastes or excrements are substances left over from metabolic processes which cannot be used by the organism, and must therefore be excreted.
2. Organs of excretion include the skin, liver, large intestine, lungs, and kidneys.
Hope this helps!
B. D
Is this answer
Explanation:
I'm not sure
Answer: I believe it is c.
Explanation: It allows you to see the differences between before and after.
a lightinging strikes that is because i am farting oops