PSL Exam with coorrect answers 2024

Describe the general functions controlled by the endocrine system correct answers -Regulate development, growth and metabolism -Maintain homeostasis of blood composition and volume -Control digestive processes -control reproductive activity Identify the major endocrine glands and where they are in the body. correct answers Pituitary: below and in front of hypothalamus Pineal: Back portion of thalamus Thyroid: front of throat Parathyroid: next to thyroid Adrenal: top of each kidney Describe the general features of the endocrine system, including how hormones are transported between an endocrine gland and its target organ. correct answers Endocrine gland: organ/tissue/cells that produce and secrete substance into the blood Hormone: Molecules secreted into the blood Target Organ: cells that have specific receptors for a hormone *specific -Receptor: proteins located on plasma membrane or within cell of target organ/ tissue Compare and contrast the actions of the endocrine system and the nervous system to control body functions correct answers Both regulate the internal environment of the body but in different ways: COMUNICATION METHODS: endocrine: secretes hormones; hormones are transported within the blood and distributed to target cells nervous: nerve signal causes neurotransmitter release from a neuron into a synaptic cleft TARGET OF STIMULATION: endocrine: any cell in body with receptor for certain hormone nervous: other neurons, muscle cells, and glands RESPONSE TIME: endocrine: slow reaction time, seconds to mins to hours Nervous: rapid reaction time, ms or s RANGE OF EFFECT: endocrine: widespread effects throughout the body nervous: Localized, specific effects in body