| pain |
physical hurt or discomfort that is usually caused by injury or illness. Pain is the nervous system's way of telling the brain that something is wrong. [1/5 definitions] |
| paralysis |
a loss of feeling in or the ability to move a body part. Paralysis is caused by injury or disease of the nervous system. |
| paralyzed |
If a part of your body is paralyzed, it can't move because your brain can't tell it to move. This can happen if you have an injury to your nervous system. It is the nervous system that sends signals from your brain telling your body to move. It can also happen as an effect of certain drugs. [1/2 definitions] |
| polio |
a short form of "poliomyelitis," a disease caused by a virus that attacks the spinal cord and damages the nervous system. Poliomyelitis affects mainly children and can lead to paralysis or deformed limbs. |
| poliomyelitis |
a disease caused by a virus that attacks the spinal cord and damages the nervous system. Poliomyelitis affects mainly children and can lead to paralysis or deformed limbs. Jonas Salk invented a vaccine that prevents poliomyelitis. |
| reflex |
a response or reaction of the body that is not chosen or controlled by conscious thought. A reflex occurs when the nervous system reacts to a stimulus. [1/3 definitions] |
| relax |
When people relax, they feel less nervous or worried than before. [1/4 definitions] |
| shy1 |
If you are shy of certain things, they make you nervous. You get easily scared of them. [1/4 definitions] |
| spook |
(informal) to frighten or cause to be nervous. [1/2 definitions] |
| stress |
When people feel stress, they often feel nervous or worried. They might feel like they have too much pressure to get something done or to do something well. People often feel stress when they don't have much time to do something but they have to finish it soon. Many people feel stress when people around them argue or fight, or when they have too many problems that they have to solve. [1/6 definitions] |
| stressful |
When something is stressful, it makes you feel nervous or worried. |
| sweat |
Sweat is the the salty liquid that naturally comes out of the skin, especially when a person is hot or nervous. [1/4 definitions] |
| tense1 |
When you are tense, you feel nervous and can't relax. [1/3 definitions] |
| tension |
Tension is a bad feeling people have inside when they are very worried or nervous. People often have tension when they have too much work and not enough time to do it, or when other people are asking them to do more than they can do. Many people feel tension if they argue with other people or if they disagree with others but can't say how they feel. [1/3 definitions] |
| uneasy |
not comfortable; nervous. [1/2 definitions] |
| worried |
When you are worried, you are somewhat scared or nervous because you think that something bad might happen. |
| worry |
When you worry, you feel nervous or afraid about something and it's hard for you to stop thinking about it. [1/4 definitions] |
| wring |
to press and squeeze together because of feeling nervous or troubled. [1/3 definitions] |