Step-by-step explanation:
A.
1. False
Your body doesn't save every part of the food you eat , it uses what is needed and the rest becomes waste .
2. True
Liquid waste if filtered through the kidneys to remove water and other useful substances before it moves to the bladder and comes out as urine.
B.
1.) The main organs of the excretory system are the kidneys.
2). The liquid waste of the body is called urine
3). Liquid waste moves from the kidneys to the bladder.
4). Urine also contains salts and not only water.
Hope this helps you