Arachnids, spider species, most have venom to subdue prey, which run through preys, circulatory system, the venom partially digest the prey to make it digestible for the spider, so they drink the partially digested blood to gain nutrients..
Answer:
Excuse me, but there is no picture.
Explanation:
Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
If I am correct the answer is D