Answer:
Participating in physical activities can improve health-related fitness. Improving muscular strength and endurance slows bone density loss. Cardiorespiratory fitness improves the efficiency of the cardiovascular and the respiratory systems in delivering oxygen to the body.
Answer:
Phosphoric acid is a good substitute for muriatic acid and in most situations will clean surfaces just as well with less risk. Phosphoric acid is a main ingredient in many commercial grout and concrete cleaners that are readily available to consumers.
Explanation:
<span><span>The answer is C. Urethra.
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The urethra is connected to both the urinary and reproductive system in males. It is a tube that transport urine and semen (with sperm) outside the body. The opening of the urethra is found on tip of the sexual organ. The urethra connects to the seminal vesicles of the reproductive system. It connects to the bladder of the urinary system. </span></span>
Explanation:
our chemical barriers protect almost every infection we can get in our body
