Answer:
bone density.
Explanation:
I used precess of elimination. U cannot improve the bone density by working out. You can improve your cardiorespiratory fitness by doing cardio, e.g. cycling, swimming, running etc. You can improve muscular strength by working out, e.g. push up, sit ups, etc. you can also become more.flexible by expanding ur muscles and tissues.
Answer:
They are safe and unsafe at the same time
The person who gets the drug at the pharmacy is controlled but the person who has it can give it to anyone. This is a problem because prescription drugs are safe for that one specific person but if anyone else takes it can be deadly for them.
Answer:
Options B and D
Explanation:
In animals, gaseous exchange takes place in the alveoli in the lungs. Generally, animals breath-out (exhale) carbon dioxide and breath-in (inhale) oxygen. Thus, carbon moves from the blood in the form of carbon dioxide into the alveoli in the lungs while the oxygen inhaled moves from the alveoli in the lungs to the blood where it is transported round the body as oxyhaemoglobin.
The ansewer is d. I don't really wanna explain it but I need more letters to post answer :)
Answer:
The heart beat's 80 times a minute, about 115,000 times in one day or 42 million times in a year
Explanation:
