In order to make sure that the test results of the variables are true or that you did not make a mistake in the experiment.
Answer: Capillaries connect the arterial system — which includes the blood vessels that carry blood away from your heart — to your venous system. Your venous system includes the blood vessels that carry blood back to your heart. The exchange of oxygen, nutrients, and waste between your blood and tissues also happens in your capillaries.
Metamorphosis is a type of homeostasis. A. is the correct answer.