Final answer:
The pulp inside teeth contains blood vessels, lymphatic vessels, connective tissue, and nerves, which are essential for its nourishment and sensory functions. Option A is correct.
Step-by-step explanation:
Within the pulp of the teeth, you can find a rich composition that includes blood vessels, lymphatic vessels, connective tissue, and nerves. The pulp is an essential part of a tooth's structure as it provides the necessary nutrients and sensory function. It's located in the innermost part of the tooth, which includes the pulp chamber at the top and the pulp canal, or root canal, extending through the root.
Enamel is the outermost layer of the crown, dentin is the bone-like tissue under the enamel or cementum, and pulp stones are calcified structures that can be found within the pulp. The correct answer to what is found within the pulp of the teeth is A. Blood vessels and nerves.