Multiple Choice
In an open circulatory system,
A) there is no heart.
B) there is a gastrovascular cavity.
C) there are no blood vessels.
D) blood flows out of the body.
E) there is no distinction between blood and tissue fluid.
Correct Answer:

Verified
Correct Answer:
Verified
Q112: Blood performs all the following functions except<br>A)
Q113: Which of the following mechanisms is used
Q114: Oxygenated blood is carried by the<br>A) aorta.<br>B)
Q115: Stretch receptors in the aorta and carotid
Q116: Which of the following statements about gastrovascular
Q118: Precapillary sphincters<br>A) increase blood pressure to the
Q119: In the cardiac cycle, blood pressure is
Q120: Refer to the diagram below. Which of
Q121: How can arthropods maintain a high metabolism
Q122: Blood clotting<br>A) is impaired in patients with