Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 40, Problem 3VCQ
Figure 40.17 Varicose veins are veins that become enlarged because the valves no longer close properly, allowing blood to flow backward. Varicose veins are often most prominent on the legs. Why do you think this is the case?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
You might often hear the term varicose veins but not varicose arteries. Explain in simple language why there are no varicose arteries.
The figure shows the structure of an artery and a vein. Explain how the structure of the artery is related to its function.
Varicose veins in the legs are common, but are there also varicose arteries in the legs? Why or why not?
Chapter 40 Solutions
Biology 2e
Ch. 40 - Figure 40.10 Which of the following statements...Ch. 40 - Figure 40.11 Which of the following statements...Ch. 40 - Figure 40.17 Varicose veins are veins that become...Ch. 40 - Why are open circulatory systems advantageous to...Ch. 40 - Some animals use diffusion instead of a...Ch. 40 - Blood flow that is directed through the lungs and...Ch. 40 - White blood cells: can be classified as...Ch. 40 - Platelet plug formation occurs at which point?...Ch. 40 - In humans, the plasma comprises what percentage of...Ch. 40 - The red blood cells of birds differ from mammalian...
Ch. 40 - The heart's internal pacemaker beats by: an...Ch. 40 - During the systolic phase of the cardiac cycle,...Ch. 40 - Card io myocytes are similar to skeletal muscle...Ch. 40 - How do arteries differ from veins? Arteries have...Ch. 40 - High blood pressure would be a result of...Ch. 40 - Describe a closed circulatory systemCh. 40 - Describe systemic circulationCh. 40 - IS. Describe the cause of different blood type...Ch. 40 - List some of the functions of blood in the body.Ch. 40 - How does the lymphatic system work with blood...Ch. 40 - Describe the cardiac cycleCh. 40 - What happens in capillaries?Ch. 40 - How does blood pressure change during heavy...
Additional Science Textbook Solutions
Find more solutions based on key concepts
If you take two steps of different sizes, can you end up at your starting point? More generally, can two vector...
College Physics
WHAT IF? As a cell begins the process of dividing, its chromosomes become shorter, thicker, and individually vi...
Campbell Biology in Focus
3. In a test of his chromosome theory of heredity, Morgan crossed an F1 female Drosophila with red eyes to a m...
Genetic Analysis: An Integrated Approach (3rd Edition)
Albinism in humans is inherited as a simple recessive trait. For the following families, determine the genotype...
Concepts of Genetics (11th Edition)
If someone at the other end of a room smokes a cigarette, you may breathe in some smoke. The movement of smoke ...
Campbell Essential Biology with Physiology (5th Edition)
Complete the following summary of Morgans crosses involving the mutant white-eyed fly by filling in the Punnett...
Study Guide for Campbell Biology
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The abnormal narrowing of the lumen of a vein is known as _____________________.arrow_forwardDoctors strongly recommend that travelers on long airline flights stretch their legs or stand up and walk down the aisle periodically in order to prevent development of a clot in their lower legs. This is a condition known as Deep Vein Thrombosis (DVT). Explain why this condition is more likely to occur in someone who is sitting still for long periods of time such as on an airplane.arrow_forwardFill in the table below by indicating the organ, region or vessel that the named vessel receives blood from, and the organ, region or vessel to which it delivers blood (see example for aorta and coronary arteries). If you’re doing it right, both columns will have the same answer. You will need to refer to the images in your textbook and lab models to do this. VESSELS OF THE THORACIC CAVITY Artery Blood goes to (organ/region) Blood comes from (organ/region) Vein Aorta entire systemic circuit entire systemic circuit vena cava inferior & superior coronary left & right myocardium coronary left & right Brachiocephalic Brachiocephalic subclavian left & right subclavian left & right Intercostals azygos (not pictured) Pulmonary Pulmonary VESSELS OF THE ABDOMINAL CAVITY Artery Blood goes to (organ/region) Blood comes from (organ/region) Vein celiac trunk…arrow_forward
- The diagram shows a section through a blood vessel in the leg. Which type of blood vessel is shown, and in which direction does the blood flow? type of vessel direction of flow artery P to Q B artery Q to P vein P to Q D vein Q to P А Вarrow_forwardChristine is going to perform venipuncture. She could clearly see the median cubital vein protruding in the arm of a 70-year-old male patient. However, when the needle is inserted and the plunger of the syringe is pulled, no blood entered the barrel of the syringe. This caused the blood to not enter the syringe. Give one possible reason why this happens. Why?arrow_forwardCompare and Contrast Vascular System, Fill in the tablearrow_forward
- fill in the blanks Blood that has circulated to the heart muscle itself also returns to the right atrium. Once blood leaves the cells of the myocardium, it flows into a system of cardiac veins, eventually flowing into the great cardiac vein, and then the coronary sinus. On this anterior view of the heart, locate the great cardiac vein and the coronary sinus (shown through to the back). Slide 14: Identify the two large veins that merge and flow into the superior vena cava: A._________________________________ and B._________________________________. (Note that unlike the arterial system, there are two veins, a right and a left, with this name.) Locate either the right or left brachiocephalic vein. Each is formed by the union of two slightly smaller veins. An C.___________________________ vein draining the head and a D.______________________ vein bringing blood back from the arm. Locate an additional vein draining blood from the head that flows into the subclavian vein, the…arrow_forwardIn coronary bypass surgery, a section of vein is used to replace (bypass) occluded coronary arteries. Over time, the vein wall becomes more like an arterial wall. Describe the changes that would occur in the vein wall.arrow_forwardWhich of the following can be included in the description of a vein? A. Creamy white color B. Solid structure C. Generally empty of blood D. Collapses when incisedarrow_forward
- How can you tell the difference between the artery and the vein? Compare the visible features in the chart below. Artery characteristics Vein characteristics Is lumen open (patent) or collapsed? Relative lumen size Relative wall thickness Visible tissue types visible in wallarrow_forwardBlood vessels 2 and 4 answer quicklyarrow_forwardDistinguish between a vein and a venule.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Basic Clinical Lab Competencies for Respiratory C...NursingISBN:9781285244662Author:WhitePublisher:Cengage
Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning 
Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
Comprehensive Medical Assisting: Administrative a...NursingISBN:9781305964792Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy CorreaPublisher:Cengage Learning
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Basic Clinical Lab Competencies for Respiratory C...
Nursing
ISBN:9781285244662
Author:White
Publisher:Cengage
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
Medical Terminology for Health Professions, Spira...
Health & Nutrition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Cengage Learning
Comprehensive Medical Assisting: Administrative a...
Nursing
ISBN:9781305964792
Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa
Publisher:Cengage Learning
The Cardiovascular System: An Overview; Author: Strong Medicine;https://www.youtube.com/watch?v=Wu18mpI_62s;License: Standard youtube license