Answer:
symmetrical in many ways across a central axis" and "presence of a head".
Explanation:
Bilateral symmetry is a characteristic that many organisms has at which if we divide the body using an imaginary line, we will see two mirror images. Two characteristics that an organism with bilateral symmetry possess are symmetrical in many ways across a central axis (known as well as the sagittal plane), and presence of a head that is at the middle of the central axis. The great majority of organisms posses bilateral symmetry, including the humans.
I don't completely know how to answer this question, but i believe you are referring to homeostasis, Which is your body's way of maintaining the same internal temperature, such as sweating when hot and shivering when cold.
Salutations,body text, signature
The answer is c. hope that helped