Cells are the smallest living part of organisms. When groups of similar cells come together, they form tissues. Groups of tissues that work together to perform a function are called an organ. Groups of organs that work together to perform a job are called an organ system. The body is made up of multiple organ systems.
<span>The uppermost vertebrae in the neck is called "atlas", and the second highest vertebrae in the neck is called axis". These vertebrae can also be referred to as C1 and C2, which refers to their position along the cervical chain.</span>
The manager of a driver training programs,
Dr. William Van Tassel explains that when you are about to be involved in a
wreck, you should have your license, insurance card and other pertinent
document always ready inside your car. Even though you are a competent driver,
accidents may still happen, so keep your camera, pen and paper ready, to
document any untoward incidents and avoid any further problems.
Answer:
Brushing too hard can erode the enamel on your teeth and cause gum recession. Many electric toothbrushes can solve this problem, too. They have pressure sensors that warn you if you're pressing too hard. That way, you can develop a proper touch that will remove plaque, but not damage your teeth and gums.
Explanation:
Electric toothbrush bristles vibrate or rotate to help you remove plaque buildup from your teeth and gums. The vibration allows for more micro-movements every time you move your toothbrush across your teeth
<span>a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.</span>