I think it might be d. the lungs expand and contract which increases the rate of blood flow so the muscles can convert and store energy
Yes that's our special power of stop bleeding when injured.
The correct answer is True
Answer:
baseball, obstruction is when a fielder illegally hinders a baserunner running within the basepath. Baserunners are generally permitted to run from base to base without being physically blocked or hindered by a fielder.
Answer:
the muscle tissues of arteries are thicker than the muscle tissues of veins.
Explanation:
the muscle tissues of arteries are thicker than those of veins because they carry oxygenated bloody to all the body parts(except the pulmonary artery)