Answer: heart.
- A heart
- B stomach
- C intestine
- D urinary bladder
Correct answer: A. heart
Explanation: Cardiac muscle occurs only in the wall of the heart.
The four basic animal tissue types and their core functions: epithelial (covering/lining), connective (support and transport), muscular (movement), and neural (signal conduction).
Concept context
The four basic animal tissue types (epithelial, connective, muscular, neural) and the cockroach as a model organism for organ-system level organisation.