adrenaline: A hormone produced by glands (adrenal) when somebody is careworn by concern, anger or nervousness. It will possibly make the center beat sooner and permit muscle tissues to carry out higher than regular. Adrenaline is a part of the physique’s “battle or flight” response to emphasize. It will possibly briefly assist somebody run sooner or briefly increase the efficiency of muscle tissues (as for lifting weights).
consideration: The phenomenon of focusing psychological sources on a particular object or occasion.
audio: Having to do with sound.
audiology: The sector of science and drugs involved with listening to. An audiologist is a well being care skilled who works on this discipline.
auditory nerve: The nerve that carries electrical indicators that characterize sound from the ear to the mind.
common: (in science) A time period for the arithmetic imply, which is the sum of a gaggle of numbers that’s then divided by the dimensions of the group.
blood strain: The pressure exerted in opposition to vessel partitions by blood transferring by the physique. Often this strain refers to blood transferring particularly by the physique’s arteries. That strain permits blood to flow into to our heads and retains the fluid transferring in order that it could ship oxygen to all tissues. Blood strain can range based mostly on bodily exercise and the physique’s place. Hypertension can put somebody in danger for coronary heart assaults or stroke. Low blood strain might depart individuals dizzy, or faint, because the strain turns into too low to produce sufficient blood to the mind.
blood vessel: A tubular construction that carries blood by the tissues and organs.
cardiovascular: An adjective that refers to issues that have an effect on or are a part of the center and the system of vessels and arteries that transfer blood by the center and tissues of the physique.
chemical: A substance fashioned from two or extra atoms that unite (bond) in a hard and fast proportion and construction. For instance, water is a chemical made when two hydrogen atoms bond to 1 oxygen atom. Its chemical formulation is H2O. Chemical additionally could be an adjective to explain properties of supplies which can be the results of varied reactions between totally different compounds.
colleague: Somebody who works with one other; a co-worker or group member
cortisol: Also referred to as hydrocortisone, it is a hormone produced by the adrenal glands. It will possibly function the physique’s predominant warning that it’s below stress. It helps regulate a variety of physique capabilities, together with how we course of the power in meals, create recollections and management irritation.
decibel: A measurement scale used for the depth of sounds that may be picked up by the human ear. It begins at zero decibels (dB), a sound hardly audible to individuals with good listening to. A sound 10 instances louder can be 10 dB. As a result of the dimensions is logarithmic, a sound 100 instances louder than 0 dB can be 20 dB; one which’s 1,000 instances louder than 0 dB can be described as 30 dB.
despair: A low spot, resembling in a discipline or the floor of a rock. (in drugs) A psychological sickness characterised by persistent disappointment and apathy. Many instances, these emotions appear to be triggered by nothing; they’ll seem out of nowhere.
diabetes: A illness the place the physique both makes too little of the hormone insulin (often known as kind 1 illness) or ignores the presence of an excessive amount of insulin when it’s current (often known as kind 2 diabetes).
dysfunction: (in drugs) A situation the place the physique doesn’t work appropriately, resulting in what is likely to be considered as an sickness. This time period can generally be used interchangeably with illness.
distraction: Any occasion or scenario that attracts somebody’s consideration away from no matter had been his or her predominant focus. Distractions could be exterior occasions, resembling sounds or sights; or they are often inner occasions, resembling ideas or feelings.
surroundings: The sum of all the issues that exist round some organism or the method and the situation these issues create. Atmosphere might check with the climate and ecosystem during which some animal lives, or, maybe, the temperature and humidity (and even the placement of issues within the neighborhood of an merchandise of curiosity).
issue: One thing that performs a task in a selected situation or occasion; a contributor.
hair cells: These are the sensory receptors contained in the ears of vertebrates that enable them to listen to. These really resemble stubby hairs.
highschool: A designation for grades 9 by 12 within the U.S. system of obligatory public schooling. Excessive-school graduates might apply to high schools for additional, superior schooling.
hormone: (in zoology and drugs) A chemical produced in a gland after which carried within the bloodstream to a different a part of the physique. Hormones management many vital physique actions, resembling development. Hormones act by triggering or regulating chemical reactions within the physique.
perception: The flexibility to achieve an correct and deep understanding of a scenario simply by desirous about it, as an alternative of understanding an answer by experimentation.
hyperlink: A connection between two individuals or issues.
center college: A designation for grades six by eight within the U.S. academic system. It comes instantly previous to highschool. Some college methods break their age teams barely totally different, together with sixth grade as a part of elementary college after which referring to grades seven and eight as “junior” highschool.
misophonia: That means “hatred of sound,” it is a situation affecting some those that causes them to turn into extremely anxious or irritated by sure sounds, particularly the sounds of consuming, consuming or respiration.
nerve: A protracted, delicate fiber that transmits indicators throughout the physique of an animal. An animal’s spine incorporates many nerves, a few of which management the motion of its legs or fins, and a few of which convey sensations resembling scorching, chilly or ache.
neuroscientist: Somebody who research the construction or operate of the mind and different elements of the nervous system.
pediatrician: A health care provider who works within the discipline of drugs, pediatrics, that has to do with kids and particularly baby well being.
insurance policies: Plans, acknowledged tips or agreed-upon guidelines of motion to use in sure particular circumstances. As an example, a faculty might have a coverage on when to allow snow days or what number of excused absences it will enable a pupil in a given yr.
psychologist: A scientist or mental-health skilled who research the thoughts, particularly in relation to actions and behaviors. Some work with individuals. Others might conduct experiments with animals (normally rodents) to check how their minds reply to totally different stimuli and circumstances.
danger: The possibility or mathematical probability that some dangerous factor would possibly occur. As an example, publicity to radiation poses a danger of most cancers. Or the hazard — or peril — itself. (As an example: Amongst most cancers dangers that the individuals confronted had been radiation and consuming water tainted with arsenic.)
silicone: Warmth-resistant substances that can be utilized in many various methods, together with the rubber-like supplies that present a water-resistant seal round home windows and in aquariums. Some silicones function grease-like lubricants in vehicles and vans. Most silicones, a kind of molecule often known as a polymer, are constructed round lengthy chains of silicon and oxygen atoms.
stress: (in biology) An element — resembling uncommon temperatures, actions, moisture or air pollution — that impacts the well being of a species or ecosystem. (in psychology) A psychological, bodily, emotional or behavioral response to an occasion or circumstance (stressor) that disturbs an individual or animal’s regular state of being or locations elevated calls for on an individual or animal; psychological stress could be both optimistic or unfavourable.
system: A community of elements that collectively work to realize some operate. As an example, the blood, vessels and coronary heart are major parts of the human physique’s circulatory system. Equally, trains, platforms, tracks, roadway indicators and overpasses are among the many potential parts of a nation’s railway system. System may even be utilized to the processes or concepts which can be a part of some methodology or ordered set of procedures for getting a activity finished.
tinnitus: An uncontrolled and continuous ringing or buzzing within the ears, normally triggered by injury to the auditory nerve from publicity to loud noise. It may be short-lived, lasting hours or a day. In lots of situations, nevertheless, it might turn into everlasting.
World Well being Group: An company of the United Nations, established in 1948, to advertise well being and to regulate communicable illnesses. It’s based mostly in Geneva, Switzerland. The United Nations depends on the WHO for offering worldwide management on world well being issues. This group additionally helps form the analysis agenda for well being points and units requirements for pollution and different issues that might pose a danger to well being. WHO additionally often opinions knowledge to set insurance policies for sustaining well being and a wholesome surroundings.
