unit one quiz one


the smallest unit that possess all the characteristics of life


molecule necessary for cellular respiration in mitochondria


study of tissues


study of cells


study of parts visible to the naked eye


The study of body structure


production and elimination of wastes


breaking down molecules into smaller ones


the ability to detect and respond to stimuli


The study of body function


study of disease


A group of similar cells that perform the same function.

structural organization

atom, molecule, organelle, cell, tissue, organ, organ system, organism

urinary system

filters blood to form urine; regulates water and solute balance kidneys, ureters, bladder

reproductive system

produces offspringoveries, testes

integumentary system

forms the external body covering; protects deeper tissue skin, hair, nails

skeletal system

protects/supports organs; framework that allows muscles to attach femur, humerus, tibia

Muscular System

allows movement, maintain posture, generates heatbiceps, triceps, deltoid

lympathic system

transports tissue fluid and fights off infectionslymph nodes, spleen, tonsil

nervous system

fast-acting control system of the body; responds to internal and external changes by activating appropriate muscles and glandsbrain, spinal cord, nerves

respiratory system

responsible for gas exchange lungs, trachea, larynx

cardiovascular system

transports blood that carries oxygen and nutrients around the body heart, arteries, veins

Digestive Sysytem

the organ system that breaks down food so it can be absorbed into the bloodstreamesophagus, stomach, intestines

endrocrine system

slower long term- produces hormones that help regulatethyroid gland, pineal gland, pituitary gland