“Puddle-wonderful” is a made up word, a syntax. Syntax means “the arrangement of words and phrases to create well-formed sentences in a language.” So the author is describing the mud as wonderful.
Answer:
The first one is correct. The second one is a run-on sentence, like speaking without pausing at a comma to take a breath.
Answer:
In the lymphatic system, the organ in charge of the breakdown of damaged red blood cells take place is the spleen.
Explanation:
The spleen's function is to filter blood.