What roles do the thymus, thyroid, and parathyroid glands play in the human body? Check all that apply.
They regulate sugar in the blood.
They regulate calcium in the blood.
They regulate metabolism in the blood.
They attack pathogens.

How do chloroplasts set plants apart from other living things

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

What are the 3 types of artificial cloning