Answer:as the blood travel through the tissue , it pick up waste produced by the body cell
Explanation:
As many time as needed . Scientist conduct more than one test when testing a <span>hypothesis.</span>
Answer:
Chondrichthyes characteristics include a cartilaginous skeleton, lack of a swim bladder, lipid storage restricted to the liver, unique hematopoietic organs, and bacteremia in clinically normal individuals. Variable reproductive strategies are employed throughout this vertebrate class.
Explanation:
They are ectotherms.
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