University:
California State University, Northridge
Course:
BIOL 101 | General Biology
Academic year:

2023
Views:

401

Pages:

1
Author:

S. Hoovart

Skeletal System components 4 -skeleion -tendons -ligaments -cartilage functions body support -protection of internal organs -movement L Homeostasis -blood calcium -bone reclosorb excreted calcium -bone break down to reabsorb calcium I Respiratory system components 6 -functions nasal cavity -gas exchange -blood phi -pharynx intake of oxygen homeostasis respiratory rate îi p PH -10rynx -release of Carbon dioxide respiratory rate = pri -trachea -bronchi -lungs HOMEOSTASIS maintaining the same state maintenance of an internal balance w/ internal/external changes example in the human body physical or chemical properties such as T, PH, blood glucose "rely on negative feedback mechanism the control mechanism will recluce the stimulus example body will shiver to raise To w/ cold outdoor To causes body To to drop -rarely on positive feedback mechanisms the control mechanism will amplify the Stimulus (at instances with an end point) example body will continue to i palatelet amount until scabbed over b/c loss of blood - a stimulus receptor → control center response message to effector organ or gland generate response example cardiovascular system and urinary system in homeostasis blood pressure - reduce heart rate, stroke volume, clilate blood vessels more urine → blood pressure increase heart rate, stroke volume, constrict blood vessels -> less urine →î blood pressure