This is because it has many parts, arteries, and tubes that pass blood around the body. It is hard because it has many parts which are difficult to be cut open. Hope I helped!
Cell division in Prokaryotes is more simple because prokaryotes only have one circular chromosome, no nucleus, and few other organelles. However, eukaryotes have multiple chromosomes contained within a nucleus and many other organelles.
Answer us Rough endoplasmic reticulum
is an organelle found in eukaryotic cells. Its main function is to produce proteins. It is made up of cisternae, tubules and vesicles. The cisternae are made up of flattened membrane disks, which are involved in the modification of proteins.
