The hearts pump hemolymph into the sinuses of the hemocoel where exchanges of materials take place.of hemolymph needed for such a system is kept to a minimum by a reduction in the size of the body cavity.
The volume of hemolymph needed for such a system is kept to a minimum by a reduction in the size of the body cavity. The hearts pump hemolymph into the sinuses of the hemocoel where exchanges of materials take place.
The hearts pump hemolymph into the sinuses of the hemocoel where exchanges of materials take place. The volume of hemolymph needed for such a system is kept to a minimum by a reduction in the size of the body cavity.
The hearts pump hemolymph into the sinuses of the hemocoel where exchanges of materials take place. The volume of hemolymph needed for such a system is kept to a minimum by a reduction in the size of the body cavity.