Which are accurate descriptions of comparative anatomy? Select three options. may or may not include studies of structures with the same function
only involves studies of structures that are on the outer surface of the body
compares the structures of organisms from different species
always supports the concept of a recent common ancestor
includes studies of homologous, vestigial, and analogous structures

1: may or may not include studies of structures with the same function

3: compares the structures of organisms from different species

5: includes studies of homologous, vestigial, and analogous structures

Explanation:

1, 3, 5,

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: