​Select the Venn diagram that best represents the relationship between the given set of classes.

Blood, Skeleton, Bones

Given:  Blood, Skeleton, Bones

The Venn-diagram of  Blood, Skeleton, Bones will be:​

Skeleton encompasses "Bones."

Bones components that make up the skeleton.

Blood is a bodily fluid that circulates in the veins and arteries. It is unrelated to "Skeleton" or "Bones" directly in a structural sense.

Thus, the correct option is (a)