Answer:
Histamine, is the chemical mediator initiates an inflammatory reaction. An inflammatory mediator is basically defined as that act in blood vessels and cells for promote response of inflammatory mediator. Histamine is the main chemical mediator which are released from the cells during inflammation, which increases vascular permeability. It is stored in granules and mast cells and get released immediately when the cells get injured.
Answer:
The difference between embryo and fetus is made based on gestational age. An embryo is the early stage of human development in which organs are critical body structures are formed, from week 2-9
After the 10th week is when an embryo becomes a fetus.
Explanation: