If you place a drop of blood on a microscope slide and examine it with a powerful microscope, you will see many red shapes that look something like circular disks. these are red blood cells, which carry the oxygen you need throughout your body. are red blood cells the only cells in your body?

dr. khan operated on abdul’s left knee, he required a signature from abdul’s orthopedist confirming that the knee required the operation. the orthopedist’s written approval is a form of

relationship between pressure and air volume and led to the understanding of how respiration works; i believe this is the correct answer ; /// good luck