Blood Clot

Question 1

Serotonin

Answer 1

This causes the smooth muscle of the blood vessels to contract

Question 2

Thromboplastin

Answer 2

An enzyme that starts a sequence of chemical changes that clot blood

Question 3

Step 1 of blood clot

Answer 3

Cut occurs

Question 4

Step 2 of blood clot

Answer 4

Exposed collagen in blood vessels

Question 5

Step 3 of blood clot

Answer 5

Platelets increase

Question 6

Step 4 of blood clot

Answer 6

Release thromboplastin

Question 7

Step 5 of blood clot

Answer 7

Vit K makes prothrombin

Question 8

Step 6 of blood clot

Answer 8

The Calcium makes thrombin form

Question 9

Step 7 of blood clot

Answer 9

Fibrinogen released

Question 10

Step 8 of blood clot

Answer 10

Fibrin forms a mesh

Question 11

Step 9 of blood clot

Answer 11

The cut dries to form a scab

Question 12

Why is blood clotting important?

Answer 12

It prevents excess blood loss and the entry of diseases that can cause pathogens and it seals the blood vessels

Question 13

What does the Scab do?

Answer 13

It protects the new skin growing beneath it

Question 14

Advantage of storing thromboplastin inside platelets

Answer 14

Keep thromboplastin away from thrombin
Won’t be converted to thrombin
the blood clotting process is prevented
to have thromboplastin available/ released quickly