What are the three main parts of a long bone?

(1). Epyphysis.

(2). Diaphysis.

(3). Metaphysis.

Explanation:

(1). Epyphysis:- Every long bone is capped with wide areas on each end which are called epiphyses. ...

(2). Diaphysis:- The largest part of any long bone is the long cylindrical middle, called the diaphysis. ...

(3). Metaphysis:- is the narrow portion of a long bone between the epiphysis and the diaphysis. It contains the growth plate, the part of the bone that grows during childhood, and as it grows it ossifies near the diaphysis and the epiphyses.

auricle

explanation:

the flaps on the front of the atria are called the auricle.

answer: no, they are not.*

although rubber bands that contain excessive amounts of dye, toxins, or additives are sometimes toxic, most rubber bands do not cause any health issues. since they are typically made of latex, (a natural substance that is extracted from trees) they are not dangerous in any way if you chew them or accidentally ingest a piece of rubber band. however, chewing rubber bands does pose a choking hazard and is not a good habit to have.

*depending on the type of rubber band. the typical rubber bands that you see at stores are not toxic, but other types of rubber or latex that contains certain chemicals may be unhealthy and hazardous.