Biotic=sea turtle,reptile.
Abiotic=hard shell substrate,temperature.
The word that signifies "within the cell" which alludes to the signals moving from one place then onto the next inside the cell is the term "INTRACELLULAR".
Answer: Option a
Explanation:
Mast cells play a vital in the inflammatory and immediate allergic reactions. These cells release inflammatory mediators such as histamines, cytokines and chemotactic factors.
These chemicals acts on the smooth muscles, mucous glands and the inflammatory cells.
Histamines are not only released when the body detects any antigen it is also released during the time of injury.