ANP 1105 Study Guide - Midterm Guide: Positive Feedback, Glucagon, Homeostasis

68 views22 pages

Document Summary

Heart activity and blood pressure is monitored. Glucagon stimulates liver to break down glycogen. When baby is born, oxytocin is no longer released. Mother will produce milk for however long until child is weened o . Aging contributes to decrease in keeping homeostasis. Will keep blood away from extremities to protect important core areas. Speed and slow heart and respiratory rate. Use blood stream to get to target organs. Thick, myelinated axon from spinal cord to skeletal muscle. Preganglionic neuron: originates in brain or spinal cord. Postganglionic neuron: in ganglion outside cns; axon to e ector organ. Keeps body"s energy use low while regulating household activities; decreases heart rate. Blood vessels in state of partial vasoconstriction. Regulation of contractile ability of smooth muscle of gi and urinary tracts. Pns: dilation of blood vessels in penis. Sns: ejaculation, re ex peristalsis of female"s vagina. Kidneys; renin released will increase blood pressure. Relative lengths of pre- and post-ganglionic bres.