RNA viruses can copy themselves which is harder for scientists to give an accurate conclusion to solve them.
Please link the graph into this question
Answer:
The respiratory system and especially the lungs play an important role in maintaining homeostasis in the body. Gas exchange in the lungs is one of the ways that the respiratory system helps maintain homeostasis. This gaseous exchange of oxygen and carbon dioxide takes place in alveolar sacs present in the lungs.
haploid sex cell formed in the female reproductive organs. in a sexual reproduction, the joining of a sperm and egg. new diploid cell formed when a sperm fertilizes and egg; will divide by mitosis and develop into a new organism. when a cell has only half the number of chromosomes as body cells.
fertilization.
