In which part of the GIT most of the ingested iron is absorbed?

In which part of the GIT most of the ingested iron is absorbed?
A-Stomach
B-Duodenum
C-Ileum
D-Ascending colon
E-Descending colon

2-Which of these are the major sites for heme synthesis?
A-Bone marrow and kidney
B-Bone marrow and liver
C-Bone marrow and spleen
D-Kidney and liver
E-Kidney and spleen

3-Which if these procoagulant factors is produced by the epithelial cells?
A-Fibrinogen
B-Prostacyclin
C-Thromboxane A2
D-von Willebrand’s factor (vWF)

Answer: https://bit.ly/33Ivxgo