Applying direct pressure technique if applying directly on the wound, or a "pressure point", if pressing a point of the artery above that limits bleeding.
So then scientists will have more pressure to find a cure or vaccinate them
1. Cardiovascular System
2. Muscular System
A persons biological because its the only one that makes sense according to the study of genetics. EX: X chromosome are always in females eggs, while the x & y chromosome is in the male.