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

BIO 169 Exam 2 (Answered) 72 Questions and Correct Answers With Complete Solution, 100% Correct. 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.

what is required for the flow of air in and out of the lungs? - Answer a pressure difference between the air inside the body and outside of the body Diaphragm - Answer -dome shaped -contraction flattens scalenes - Answer -hold first pair of ribs stationary

Describe the roll of erythropoietin in erythrocyte production and hemostasis and where it is released from - Answer Erythropoietin is a hormone secreted from the kidneys & liver, and its purpose is to stimulate 'erythrocyte colony forming unit' to transform into a 'erythroblast'. Erythroblast multiply and synthesize hemoglobin. When this is done the nucleus shrivels and leaves the cell, turning it into a 'reticulocyte'. The reticuloctye leaves the bone marrow and after a day or two lo...

BIO 169 Exam 2 (Answered) 72 Questions and Correct Answers With Complete Solution, 100% Correct. 2024/2025. The primary function of the lymphatic system is a. the transport of hormones. b. circulation of nutrients and dissolved gases. c. defending the body against both external and internal threats. d. the production and distribution of plasma proteins. e. the production and maturation of leukocytes. defending the body against both external and internal threats The lymphatic system i...

Functions of the Circulatory system - Transport - RBCs & plasma Protection - WBC Regulation - Plasma Components of the Circulatory system - Heart, blood, blood vessels Physical properties and components of blood - liquid connective tissue consisting of cells and extracellular matrix -plasma (matrix of blood) -formed elements (RBCs, WBCs, platelets. Leukoctyes are also known as - White blood cells Erythroctyes are also known as - Red blood cells Neutrophil (granuloctye) - - mos...

Functions of the Circulatory system Answer> Transport - RBCs & plasma Protection - WBC Regulation - Plasma Components of the Circulatory system Answer> Heart, blood, blood vessels Physical properties and components of blood Answer> liquid connective tissue consisting of cells and extracellular matrix -plasma (matrix of blood) -formed elements (RBCs, WBCs, platelets. Leukoctyes are also known as Answer> White blood cells Erythroctyes are also known as Answer> Red blood...

what is required for the flow of air in and out of the lungs? - Answer a pressure difference between the air inside the body and outside of the body Diaphragm - Answer -dome shaped -contraction flattens scalenes - Answer -hold first pair of ribs stationary

what size is the heart? -what organs border the heart? About the size of a fist. < 1lb -in front of heart is sternum, behind heart is vertebrae and below is diaphragm. lungs beside heart. vein : to or away? what veins carry blood to right side? what veins carry blood to left side? artery: to or away? what arteries carry blood to lungs? what artery carries blood to body? -vessels return blood to heart superior and inferior vena cavae (blood to right side of heart) right and left pulmonary vei...

Describe the differences between arteries and veins in terms of the layers of the vessel wall. 1. Arteries has more thicker tunica media 2. Veins has more thicker tunica externa Describe the differences between the three types of capillaries. 1. Continuous: Endothelial 2. Fenestrated: Pores 3. Sinusoids: Large substances Compare and contrast the simple and alternative pathways of blood flow. A. Simple Pathways: One major artery delivers blood to region them branches into smaller arteries and a...