Answer:
Tendons, bones, ligaments, and blood vessels.
Explanation:
To be honest, since we live on Earth (assuming you do as well), Earth is the easiest planet to study. We don't know much about the other planets because we've never been to any of them. I believe that the second easiest planet to study is either Uranus or Saturn.
''The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record. This event is sometimes called the "Cambrian Explosion," because of the relatively short time over which this diversity of forms appears. It was once thought that Cambrian rocks contained the first and oldest fossil animals, but these are now found in the earlier Ediacaran (Vendian) strata.''
Leroux health care can reduce the the cost of regular health care by offering more options in their network to doctors, hospitals, and clinics that don't cost as much. They can also help by offering genetic prescriptions which the costumer gets the same medication for a cheaper price. They can also offer prescription discount cards and provide a list of pharmacies the will accept the discount cards.