Bio 169 exam 2 - Study guides, Class notes & Summaries
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Bio 169-exam 5 (Answered) Questions and Correct Answers With Complete Verified Solution, 2024/2025. 100% Correct.
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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...
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BIO 169 Final Exam (compiled) Questions and Answers 100% pass
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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...
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COMPLETE SOLUTION PACK FOR BIO 169 EXAM FILES (EXAM 1. 2. 3. 4. 5. FINAL EXAM, EXAM PREPS, STUDY GUIDES AND SUMMARIES) ALL WITH COMPLETE VERIFIED SOLUTIONS| 100% VERIFIED| LATEST UPDATE FALL 2024/2025.
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BIO 169 Exam 1 (Answered) 99 Questions and Correct Answers, 100% Correct. Updated 2024/2025.
BIO 169 Exam 1 (Answered) 125 Questions and Correct Answers, 100%. 2024/2025.
BIO 169 Exam 2 prep (Answered) 157 Questions and Correct Answers With Complete Verified Solution (download to score A ) 100% Correct, Updated 2024/2025.
BIO 169 Exam 2 (Answered)
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Bio 169: Blood and Cardio Exam Study Guide with Complete Solutions
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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...
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BIO-169 Exam Questions and Answers | 100% Pass
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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...
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BIO 169 Blood Exam Study Guide with Complete Solutions
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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...
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BIO 169 Exam 1 Practice Questions and Answers | 100% Pass
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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...
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Bio 169 Lab Practical #1 Exam Study Guide with Complete Solutions
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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...
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Bio 169 exam 1 study guide with complete solutions
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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...
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Bio 169 Final exam Study Guide with complete solutions
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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...
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