In arthropods, the haemocoel
A) consists of space in the body filled with a circulating fluid.
B) consists of a heart and the blood.
C) is reduced and virtually absent in adults.
D) an elongate dorsal vessel which pumps blood through the body.
E) All of the answers are correct.

Question

Quizplus · Accepted Answer

The haemocoel in arthropods is a primary body cavity filled with hemolymph, which is a circulating fluid that performs many of the functions blood does in other animals. It does not consist solely of a heart and blood (B), is not absent in adults (C), and while arthropods do have a heart or dorsal vessel that helps circulate the hemolymph, the haemocoel itself is not this vessel (D).

In Arthropods, the Haemocoel