<unk>  can be achieved in various other ways if the body cannot do it naturally (or needs help) during surgery or medical treatment. When the body is under shock and stress,<unk>  is harder to achieve. Though natural<unk>  is most desired, having other means of achieving this is vital for survival in many emergency settings. Without the ability to stimulate<unk>  the risk of hemorrhaging is great. During surgical procedures, the types of<unk>  listed below can be used to control bleeding while avoiding and reducing the risk of tissue destruction.<unk>  can be achieved by chemical agent as well as mechanical or physical agents. Which<unk>  type used is determined based on the situation. Developmental<unk>  refers to the differences in the haemostatic system between children and adults.
Hemostasis
Coagulation
Lymphangiogenesis
Vasoactivity
Neurosecretion
Digestion
Intravasation
Thermoregulation