When you straighten your arm or leg (as in a pushing movement), you EXTEND the arm or leg. When you bend your arm at the elbow or your leg at the knee, you FLEX the arm at the elbow and flex the leg at the knee.
<span>Ab Roller Evolution is made of metal. It supports neck, head and upper body during workout. It is an upper body trainer: works chest and core. You can do push ups, sit ups, dips. By providing improved support, it reduces stress and strain on body.</span>
<span />Description above is from Amazon.
It is a good idea but has some problems with its design. There is no way to secure it on the floor during exercise. So it moves around when pushed against and would not provide support. A normal crunch will likely work out better.
Answer:
C. Arteries carry oxygenated blood, while veins carry blood low in oxygen
Explanation:
Positive effects of technology in healthcare are:
Improving quality of healthcare assistance due to better health facilities and equipment, patient records or credentials are being kept in a database system easier to access in the facility, and time saving because of better data and easy systematic approach of the technology in the management.
Technology can also bring harmful effects in health care such as:
Medical knowledge posted online may not be accurate and dependable and it can bring harm to anyone who self-medicate. The radiation a technology emits would cause harmful effects and increase risk of a very serious disease on the healthcare providers that facilitates it. Lastly, the advancement of technology in a healthcare facility would cause a higher amount of money on patient's medical bills.
