Blood Clotting

Question 0

Describe major cut for blood clotting

Answer 0

• Platelets are the clotting factor
• Platelets form a spikey shape to stick together
• Platelets cause fibrins(threads) to form of a chemical called fibrinogen
• Threads form mesh work over platelets-holding them in place
• Threads contract- draws the platelets(cut edges) together
• This contraction squeezes out serum causes scab to dry faster
• Forms a scab

Question 1

Describe minor cut for blood clotting

Answer 1

Walls are smooth- allows easy flow
Cut/damage to wall- rough
Rough wall causes the thrombocytes to stick together
Forms a plug