THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -They also fight infection and oversee the repair process. In the rebuilding process, oxygen-rich blood cells arrive to build new tissue by creating collagen (you usually see the result of this process as a scar that starts out red and dulls over time).

Detailed explanation-2: -Protein is the major structural component of cells and is responsible for the building and repair of body tissues. Protein is broken down into amino acids, which are building blocks of protein.

Detailed explanation-3: -immune system The bodily system of organs, tissues, cells, and cell products, which protects the body by detecting the presence of, and disabling, disease-causing agents in the body.

Detailed explanation-4: -The inflammatory response (inflammation) occurs when tissues are injured by bacteria, trauma, toxins, heat, or any other cause. The damaged cells release chemicals including histamine, bradykinin, and prostaglandins. These chemicals cause blood vessels to leak fluid into the tissues, causing swelling.