im not even sure tbh these are really hard im so sorry
Is there anything to choose from it would make this easier to answer and also growth hormones are bad for animals and now im just chattering, the chatting chatter-box i like the sound of that the clouds are nice and fluffy today like cotton candy im bored im supposed to be doing my homework but i dont like writing i mean why have to write when your home schooled i like anime and manga this thing that i go on has a story called nobless its really good and also snailogy by snail lords he is awesome he is a hermaphrodite but he likes being called a boy instead oh yeah im supposed to be answering this sorry but i forgot have a good day here are some things that you could enjoy instead (0^0) (/O.O)/ |__| (o___-) (o_____o)
A is your answer u welcome
Answer:
Functions of the circulatory, respiratory, and nervous system in gas exchange are interconnected with each other in the following manner:
The circulatory system is responsible to pumps blood around the body. The circulation system allows the absorption of oxygen and releases carbon dioxide in the lungs and the Respiratory system also take oxygen in and releases carbon dioxide. The circulatory system and respiratory system work hand in hand. The brain or nervous system monitors gas or oxygen level in blood and regulates respiratory rate.
A gene pool changes throughout evolution this could be natural selection, genetic drift or a mutation. A gene pool does this to adapt with the needs of the environment it is in