BIO 202 Arizona State University -BIO 202 Exam 1 well answered rated A+

BIO 202 Arizona State University -BIO 202 Exam 1 well answered rated A+Endocrine system - correct answer glands, tissues, and cells that secrete hormones Endocrinology - correct answer the study of this system and the diagnosis and treatment of its disorders Endocrine glands - correct answer organs that are traditional sources of hormones Hormones - correct answer chemical messengers that are transported by the bloodstream and stimulate physiological responses in cells of another tissue or organ, often a considerable distance away What are the four principal mechanisms of communication between cells? - correct answer -Gap junctions -Neurotransmitters -Paracrines -Hormones Gap junctions - correct answer Pores in cell membrane allow signaling molecules, nutrients, and electrolytes to move from cell to cell Neurotransmitters - correct answer Released from neurons to travel across synaptic cleft to second cell Paracrines - correct answer Secreted into tissue fluids to affect nearby cells Secretion of hormones can be triggered by - correct answer -Blood chemistry (Ca++ levels and PTH), -Other glands (Pituitary) and hormones (calcitriol) -Nervous system Sympathetic input (Epinephrine from the adrenal gland in response to Fight or Flight)