Animals use the respiratory system to breathe in oxygen and other gases and expel gases like CO2, right? O2 in, CO2 out.
I think is the first and second!!
Answer:
What is this picture supposed to mean? What do we do with this? How do we solve this for you?
Answer:
Independent assortment is random and occurs during Metaphase I of meiosis. There are two possible alignments for the chromosomes.
I don't know much but i believe the immune system which protects the body from viruses is one of those<span />