Levels of organization – ANSWER Chemical, cellular, tissue, organ, system, organism
Cells are – ANSWER The basic structural and functional units of an organism
3 components of a feedback system – ANSWER Receptor, control center, effector
Negative feedback – ANSWER Reverses the change in a controlled condition
Positive feedback – ANSWER Strengthens or reinforces the change in a controlled
condition
Intracellular – ANSWER Fluid within the cell
Extracellular – ANSWER Fluid outside the cell
Superior – ANSWER Toward the head, above
Inferior – ANSWER Away from the head, below
Anterior\/ventral – ANSWER Toward the front
Posterior\/dorsal – ANSWER Toward the back
Ipsilateral – ANSWER Same side of the body
Contralateral – ANSWER Opposite side of the body
Superficial – ANSWER Toward the surface
Deep – ANSWER Toward the core of the body
Protons – ANSWER Largest positively charged particle
Neutrons – ANSWER Second large particle, does not have a charge
Electrons – ANSWER Negatively charged particle surrounding the nucleus
Neutrons and protons form what – ANSWER The nucleus
What is atomic number – ANSWER The number of protons found in an atom
What is mass number – ANSWER The sum of protrons and neutrons in an atom and
indicates the weight of the atom
Name 8 chemical elements found in body – ANSWER Nitrogen, hydrogen, oxygen,
carbon, potassium, sodium, chlorine, iodine
3 stages that matter can exist – ANSWER Liquid, solid, gas
Anabolism – ANSWER Builds up reactions to form bonds, requiring energy
Catabolism – ANSWER Breaks down reaction to break bonds releasing energy
Exergonic – ANSWER Releases energy to break a bond
Endergonic – ANSWER Requires energy to be added to form a bond
Kinetic energy – ANSWER Energy of matter in motion
Potential energy – ANSWER Energy stored by matter
Eukaryotic cell – ANSWER Complex cells containing a nucleus and organelles, found in
fungi, plants and animals
Name 3 components of a eukaryotic cell – ANSWER Plasma membrane, cytoplasm,
nucleus
Plasma membrane – ANSWER Outside boundary of a cell, separates and protects
internal environment of a cell
Cytoplasm – ANSWER Contains cells contents such as cytosol and organelles
Nucleus – ANSWER Large organelle that contains dna in molecules called
chromosomes
Cytosol – ANSWER Intracellular fluid surrounding the organelles
Organelles – ANSWER Specialized structures within the cell
Permeable barrier – ANSWER Access passages allowing selective substances across
the membrane
Passive transport – ANSWER Does not require energy to pass substance across the
membrane
Active transport – ANSWER Requires energy to allow substance to cross the membrane<\/p>\n","protected":false},"excerpt":{"rendered":"
Levels of organization – ANSWER Chemical, cellular, tissue, organ, system, organismCells are – ANSWER The basic structural and functional units of an organism3 components of a feedback system – ANSWER Receptor, control center, effectorNegative feedback – ANSWER Reverses the change in a controlled conditionPositive feedback – ANSWER Strengthens or reinforces the change in a controlledconditionIntracellular […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-119643","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/119643","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=119643"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/119643\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=119643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=119643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=119643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}