Which visual aid would help a group of veterinary students study a dog’s anatomy? a group of pictures of dogs in various poses
a diagram that labels different bones in a dog’s body
a line graph that shows how a dog’s bones grow over time
a bar graph comparing the sizes of bones of different dog breeds

a diagram that labels different bones in a dog’s body

Explanation:

Diagrams are visual presentations that aid scientific data and can help people visually recognize various information while studying. When studying veterinary, it is important to learn about the anatomy of the animals.  

Anatomy is the branch that focuses on the structure of organs and parts of the living organism. One of the things anatomy teaches is the names and positions of the bones in the organism. That is why a diagram that shows the positions, names, and relations of bones in a dog would aid students while learning about the anatomy of the animal.

it stands for behind the scenes

answer; i believe the correct answer is "he who gladly serves"