The role of the hemal system is best described as
A)circulatory.
B)excretory.
C)an accessory gland to the reproductive system.
D)a component of the nervous system.
E)still not known for certain.

Question

Quizplus · Accepted Answer

The role of the hemal system is still not fully understood and is considered to be not known for certain. This system, found in some invertebrates, particularly echinoderms, has been the subject of various hypotheses regarding its function, but a definitive role has not been established.

The Role of the Hemal System Is Best Described as