Answer:
Metabolic wastes or excretements are substances left over from metabolic processes (such as cellular respiration) which cannot be used by the organism (they are surplus or toxic), and must therefore be excreted.
This is what i found out i hope this is a good enough answer!! :P
The left side of your heart pumps oxygenated blood to your body.
The right side pumps blood to the lungs to receive the oxygen and it goes out of the left side to distribute it throughout the body.
Hope this helps! If you have any questions, just ask!
Answer:
Please, add some info about topics and recommended topics list
