They define your core traits
The answer is cell membrane.
Behaviorism (or behaviourism) is a systematic approach to understanding the behavior of humans and other animals. It assumes that all behaviors are either reflexes produced by a response to certain stimuli in the environment, or a consequence of that individual's history, including especially reinforcement and punishment, together with the individual's current motivational state and controlling stimuli. Although behaviorists generally accept the important role of heredity in determining behavior, they focus primarily on environmental factors.
The Battle of Jacinto was the major battle between Mexico and Texas and what decided the fate between what is now a state in the United States of America and what is now a country. The Texan commander was Sam Houston and the Mexican Army commander was Antonio Lopez de Santa. At the Battle of San Jacinto, Santa Anna, the president of Mexico was captured and then was released, when he declared that the Mexicans leave the Texan region. Texas at the time was seen as an independent country at the time. This was done through a peace treaty in the declaration.
First lets start with physical appearance which would include of course age and the sex of a person. Also the the facial features and skin are important in describing an individual as well as level of consciousness.
Significant information for body structure would include body build as well as contour and stature. Symmetry and position and as well as nutrition likewise provide significant information.
Mobility usually refers to range of motions person exhibits and their gait, which provides information how person walks, runs and does other such activities.
Behavior has many significant information such as facial expressions and mood and affect. These can be a seen also as a part of nonverbal communication and thus provide a wealth of information. Speech also contains many information as well as how someone dresses. Personal hygiene is also a factor here.