Adaptive immunity can be acquired during either 'naturally' (by infection) or 'artificially' (through deliberate actions such as vaccination). Adaptive immunity can also be classified as 'active' or 'passive'
<span>The figure of the human body can be divided into 3 parts
namely Coronal plane, Transverse plane, and Sagittal plane. Sagittal Plane is the division of left and
right part of the human body. The
observer facing the figure can clearly see the divided parts equally using the
sagittal plane.</span>