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

2023
Views:

268

Pages:

1
Author:

S. Hoovart

10 Skeletal system components 4 functions -skeleion body support -tendons -protection of internal organs. -blood calcium -ligaments -movement Homeostasis -bone reciosorb excreted calcium v -bone break down to reabsorb calcium I Respiratory system -cartilage -components 6 functions homeostasis nasal cavity -gas exchange -blood pri pharynx "intake of oxygen respiratory rate î PH 'respiratory rate = pri -lorynx -trachea -release of carbon dioxide -bronchi -lungs HOMEOSTARIS "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 reduce the stimulus example body will shiver to raise To w/ cold cutdoor 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 →↑ blood pressure