Which directional terms best describe the location of the sternum in relation to the vertebral column? in the axial region of the body, inferior to the vertebral column in the appendicular region of the body, anterior to the vertebral column in the appendicular region of the body, superior to the vertebral column in the axial region of the body, anterior to the vertebral column

Anterior

Explanation:

In anatomical terminology there are several words to indicate the position or part of the body that is being mentioned in a more specific and precise way, a group of these terms are called directional terms, they focus on the position of a specific part, one of the words in this group is "anterior" it basically means "in front of". The sternum is in front of the vertebral column.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation: