Answer:
The inferior vena cava is the largest vein in the body and carries deoxygenated blood from the lower half of the body into the heart.
Explanation:
Answer:
The main difference between acoelomate and coelomate is that acoelomate is an invertebrate that doesn't have a coelom whereas coelomate is an invertebrate that has a true coelom.
A coelom is a fluid-filled body cavity, which is completely lined by the tissues derived from the mesoderm.
Answer:
9. Infection
19. He's a lymphocyte
23. I think Immunity
24. The moral of the story is to take care off your body even if you don't feel motivated too
(ik this isn't all of the questions answered but i hope that some of these help!)
From single-celled ancestors, they evolved into a riot of complexity and diversity. An estimated seven million species of animals live on earth today, ranging from tubeworms at the bottom of the ocean to elephants lumbering across the African savanna.