Suspensory ligaments.
I may be wrong but I believe that this is right. sorry if its not.
So basically in Prophase 1 you will get a synapsis (pairing) between homologous chromosomes. Followed by this you have what is called the crossing over stage, this is where different sections of the chromosomes are exchanged.
When it comes to cytokinesis in meiosis II, you will have four genetically unique haploid cells, that will have a random combination/mixture of the parental and maternal genes
I would say the respiratory system (the lungs) fail. The lungs are to receive oxygen and it sends it to the heart.
I am not much of a biology nerd but I am taking an educational guess.
All I can say that the lungs need oxygen. Without oxygen, the heart will stop pumping blood and you will be suffocating with this essential. That is why you should never smoke and actually take great care of your precious body.
D. Your body stores it as insulin
200,000 is the population density.