Bio 169 exam 2 - Study guides, Class notes & Summaries

Bio 169-exam 5 (Answered) Questions and Correct Answers With Complete Verified Solution, 2024/2025. 100% Correct. Why are the testicles located outside of the body? regulate temperature, 2 degrees cooler than the body. cremaster muscle contracts/relaxes to adjust distance of testes from body dartos muscle smooth muscle; wrinkles scrotal skin; pulls scrotum close to body seminiferous tubules site of sperm production, contains clusters of endocrine cells called interstitial cells or leyd...

BIO 169 Final Exam (compiled) Questions and Answers 100% pass give an example of a water-soluble hormone - Answer️️ -Oxytocin give an example of a lipid-soluble hormone - Answer️️ -testosterone adenylate cyclase produces the second messenger _____, when the G-Protein has _______ and is bound to it. - Answer️️ -cAMP, GTP TRUE / FALSE The hypothalamus directly controls the pituitary gland? - Answer️️ - True The Posterior lobe is considered to be part of the (nervous or e...

Bio 169: Blood and Cardio Exam Study Guide with Complete Solutions Erythrocytes - Answer️️ -red blood cells, carry oxygen Leukocytes - Answer️️ -white blood cells, fight infection Neutrophils - Answer️️ -Most abundant white blood cell. The most abundant type of white blood cell Phagocytic and tend to self-destruct as they destroy foreign invaders kills bacteria, fungi, foreign debris Lymphocytes - Answer️️ -A type of white blood cell that make antibodies to fight off inf...

BIO-169 Exam Questions and Answers | 100% Pass The____ is also called the voice box - Answer️️ -Larynx T or F: Overuse of the voice, as comes from yelling for several hours at a concert, is the number one cause of laryngitis. - Answer️️ -False T or F: Viral or bacterial infection is the #1 cause of Laryngitis. - Answer️️ -true Which are among the four continuous and simultaneous processes of respiration? - Answer️️ -Alveolar gas exchange systemic gas exchange pulmonary v...

BIO 169 Blood Exam Study Guide with Complete Solutions What is blood composed of? - Answer️️ -red blood cells, white blood cells, platelets, plasma Percentage of plasma in blood - Answer️️ -55% percentage of red blood cells - Answer️️ -45% percentage of white blood cells and platelets - Answer️️ -1% average hematocrit - Answer️️ -45% composition of plasma - Answer️️ -92% water 7% proteins 1% other solutes Function of RBC - Answer️️ -transport oxygen and car...

BIO 169 Exam 1 Practice Questions and Answers | 100% Pass Does the endocrine system work slow or fast? - Answer️️ -Slow but lasts longer Which system does the endocrine system work with? - Answer️️ -Nervous system What are functions of the endocrine system? - Answer️️ -regulates metabolism, digestion, reproduction Free hormones act on their target tissues immediately after being delivered from the blood. True or False - Answer️️ -True Exocrine secretes glands through duct...

Bio 169 Lab Practical #1 Exam Study Guide with Complete Solutions Composition of blood - Answer️️ -Hemoglobin Plasma Formed Elements Hemoglobin - Answer️️ -Used to determine levels of oxygen in the body; carries oxygen Plasma - Answer️️ -Non-living fluid matrix; 55% Formed Elements - Answer️️ -RBC's, WBC's, and Platelets; 45% Erythrocytes - Answer️️ -4-6 Million *Most Abundant* Reb Blood Cells Carry Oxygen and Carbon Dioxide No nucleus Leukocytes - Answer️️...

Bio 169 exam 1 study guide with complete solutions endocrine system - Answer️️ -Composed of ductless glands that synthesize and secrete hormones Hormones are released into the blood and transported throughout the body target cells - Answer️️ -cells that have receptors for a particular hormone endocrine glands - Answer️️ -Glands of the endocrine system that release hormones into the bloodstream comparison of both systems - Answer️️ -Both the endocrine and nervous system R...

Bio 169 Final exam Study Guide with complete solutions Erythropoietin - Answer️️ -Is secreted by the kidney The function of the pericardial fluid is to - Answer️️ -reduce friction between the pericardial membranes Match the type of chemical messenger with its description. - Answer️️ -Autocrine: stimulates the cell that originally secreted it Endocrine: secreted by glands and cells; acts upon distant target tissues Paracrine: secreted by one cell; acts upon nearby cells Neuro...