It has the same origin as other connective tissues and it connects all the body systems together.
Answer:A blood: 25% B blood: 25% AB blood: 50% O blood: 0%
Explanation:
Answer:
The environment that it lives in has not changed much, therefor there is no need for evolution to take place.
Explanation:
They provide an important habitat!
Answer:
The greatest in the first blank
the least in the second blank
Explanation:
