The structure that results when atoms are joined together by covalent bonds is called a(n)

Molecule is formed when atoms are joined together by covalent bonds.

Molecule is a combination of similar type of atoms, whereas, compound results by the combination of 2 or more different atoms or different molecules.

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.