The answer would be A) TRUE because that's what the word means, flex is used to move muscles and move around and bility is short for ability where its our capability to move in motion.
My best guess would be D. many studies have linked cardiorespiratory exercise to the lowering of blood pressure. (Many studies have also linked going vegan to the lowering of blood pressure, too :)
Answer:
A genetic disorder, in which the lungs and the digestive system get clogged with mucus.
Cystic fibrosis is caused by a change (mutation) in the gene
or inherited
Explanation:
The answer is D, embraces challenges.
