Question

which animal is often used to model human body systems? (1 point) cow sheep pig rabbit

Explanation:

Pigs are often used to model human body systems. This is because pigs have physiological similarities to humans. For example, their organ systems (such as cardiovascular, digestive) share many functional and structural characteristics with those of humans. Pigs also have a similar body size and metabolism in some aspects compared to humans, which makes them useful in medical research, surgical training, and understanding human - related biological processes.

Answer:

pig