I depends what is coagulating -- for blood it is certainly chemical. There may be physical coagulation processes, although I'm not sure.
It is chemical change due reaction between VitaminK with atmosphere gases.
Chemical Change.
It is a physical change
When a red blood cell is placed in distilled water it will swell and burst. This is a physical change.
Calcium is important in the clotting of blood.
An anticoagulant is a substance that prevents coagulation; that is, it stops blood from clotting
Hair (newly grown) is a product of many (bio)chemical synthesis reactions.
Physical change because the chemical state of the aspirin does not change, it is just crushed.
Chemical Change.
may be....a blood clotting while a blood transfusion.very........ rare.cause it is irreversible!and anything which is irreversible, that is.................................
When a red blood cell is placed in distilled water it will swell and burst. This is a physical change.
Calcium is important in the clotting of blood.
Chemical. The hydrogen peroxide breaks down into water and elemental oxygen. Two new substances are created.
An anticoagulant is a substance that prevents coagulation; that is, it stops blood from clotting
Leeches Create a chemical that prevents Clotting so that the blood continues to FLOW while it Feeds on it. This Chemical formula was used to develop ANTI-COAGULANTS for medical use.
Hair (newly grown) is a product of many (bio)chemical synthesis reactions.
It's a physical change. The scab is formed by platelets which are suspended in the person's blood. They clump together to form a solid 'plug' to stop bleeding.
Platelets help with blood clotting
antidepressants and smoking
The chief plasma component to the clotting of blood is the platelet. The additional components include blood clotting factors.