Answer:
I would assume the answer is a bc frogs eat and the poop the food for it to decompose and feed other living organism.and plz fix the title it is confusionnnn!!!
Explanation:
Answer:
Circulatory and excretory
Explanation:
Excretory removes waste products and toxins from the blood using the kidneys. The kidneys filter the blood and return the essential products (water, salt, sugar, etc) back to the bloodstream in normal amounts after removing the wastes. The circulatory system provides the kidneys with oxygen, allowing the organ to live and to do its job.
<span>This setting will no longer happen for people nowadays
are much conscious with their health and that people would not think of food
scarcity, for all types of food are made available and that various fitness gym
are everywhere. Being obese is lack of self-control and eating healthy diet is
always choice. </span>Therefore, evolve mechanisms
are not always adaptive in modern society.
