The public health protects and improve the health of communities through helping them prevent having disease or acquire illness throughout their communities and they do it through research and having it promoted by educating them in order to help them prevent and have a healthy community.
An actual fingerprint is a mark left by the friction ridges of the palmar skin of a human (or primate). This is a very important research tool for forensic science.
A DNA fingerprint is a technic that helps identify individuals based on their DNA profiles. Although most of the human DNA sequences are common in most of the humans, there are several that can vary substantially from individual to individual - called variable number tandem repeats. As they vary so much from individual to individual, by comparison of the testing DNA with the DNA of any individual, it is easy to relate whether both sequences are correspondent to each other.
Warming up before exercise and cooling down and stretching after it are important parts of an exercise programme. If you skip the cool-down portion of exercise, blood can pool in the exercised parts of the body and diminish the return of blood to the heart. Correct answer: D Cooling down helps your heart rate and breathing to return to normal, helps avoid fainting or dizziness, which can result from blood pooling in the large muscles of the legs when vigorous activity is stopped suddenly, helps prevent muscle soreness...
