Answer:
the answer is F oxygenated blood circulates back into the heart and is then pumped to all parts of the body through the arteries
They are equals in their own way and form
If your immune system attacks your own body parts, then it's called 'autoimmune disease'.
Autoimmune disease can happen at many times due to many problems the body can have. If one thing goes wrong with your body, it can go to another.
Answer:
C. there are twelve frogs, which is the most
