Log in
Biology
1
answer
0
watching
119
views
4 Dec 2018

1. What are the main arteries that supply blood to the head, trunk, and upper and lower limbs?

2. What are the main blood vessels that form the systemic, pulmonary, and portal circulation?

3. Describe the pathway of the lymph from the left foot to the left subclavian artery.

Watch
1
answer
0
watching
119
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Keith Leannon
Keith LeannonLv2
6 Dec 2018

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share

Related textbook solutions

Molecular Cell Biology
8 Edition,
Lodish
ISBN: 9781464183393
Biology: Science for Life with Physiology
6 Edition,
Belk
ISBN: 9780134555430
Concepts of Biology
OER Edition,
Openstax
ISBN: 9781938168116
Biology
2nd Edition, 2013
Openstax
ISBN: 9781947172517
Essentials of Biology
5 Edition,
Mader
ISBN: 9781259660269

Related questions

An important aspect of this qustion is relatively the need to understand the Cardiovascular System/Circulatory System, in order to answer the question. The main role of the cardiovascular system is to move blood through the body. The composition includes: Heart, capillaries, veins and arteries. The system moves oxygenated blood from the lungs and heart through the whole body via arteries. Blood also travels through the capillaries that are found between the arteries and veins. There are multiple diseases that affect the Cardiovascular System Angina, Arrhythmia, Congenital Heart Disease, Coronary Artery Disease, Myocardial Infarction, CHF, Hypertrophic Cardiomyopathy, Mitral Regurgitation, Mitral Valve Prolapse, Pulmonary Stenosis, etc. In Addition there are Vascular Diseases: Peripheral Artery Disease, Aneurism, Atherosclerosis, Renal Artery Disease, Raynauds Disease, Buerger’s Disease, Peripheral Venous Disease, Stroke, Venous Blood Clots, and Blood Clotting Disorders (American Heart Association, 2015). Multiple treatments exist for each and every one of these diseases, and hopefully more to come. American Heart Association. (2015). What is cardiovascular disease? Retrieved from http://www.heart.org.

1. Which of the following is the correct sequence of bloodflow?

a. heart --> atery --> arteriole --> capillary -->vein --> venule --> heart

b. heart --> vein --> venule --> capillary -->arteriole --> artery --> heart

c. heart --> artery --> arteriole --> capillary -->venule --> vein --> heart

d. heart --> artery --> venule --> capillary -->arteriole --> vein --> heart

e. heart--> artery --> capillary --> arteriole -->venule --> vein --> heart

2. What are the functions of the elastic fibers that are foundin the walls of ateries? (there may be more than one answer)

Select one or more:

a. they allow the artery to stretch and then recoil back to itsoriginal shape as blood is forcegully pumped from the heart intothe arteries

b. they allow arteries to lengthen as the volume of blood in thearteries increase

c. they help maintain a steady blood pressure during thedifferent phases of heart contraction

d. they smooth out the walls of the arteries to preventturbulent blood flow

3. Which of the following are functions of the lymphatic system?(there may be more than one answer)

Select one or more:

a. help fight infections and cancer

b. allows excess interstitial fluid (fluid found between thecells in your tissues) to get dumped back into your blood

c. brings large molecules from fat digestion into thebloodstream so that they can be processed and stored

d. all of the above are functions of the lymphatic system

4. Which of the following blood vessels bring newly oxygenatedblood from the blood vessels in the lungs back to the heart so thatthe heart can pump it to the rest of the body?

Select one:

a. aorta

b. inferior vena cava

c. pulmonary vein

d. pulmonary artery

5. Which of the following mechanisms help blood fight gravity sothat, for instance, it can return from blood vessels in your feetback into your heart? (there may be more than one answer)

Select one or more:

a. breathing allows the pressure in your chest to decrease andallow blood to flow up towards your heart

b. as you walk, the skeletal muscles in your legs contract andsqueeze the veins; since veins have valves, blood flows up anddoesn't backflow back down

c. the force of blood flowing out of the heart and into thearteries pushes all of the blood along, causing blood to return tothe heart

d. precapillary sphincters open to allow blood to flow backtowards the heart

6. The tricuspid and bicuspid/mitral valves prevent backflow ofblood from the atria into the ventricles.

Select one:

True

False

7. The following sequence represents the correct order of bloodflow through the heart:

inferior and superior vena cava --> right atrium --> rightventricle --> pulmonary artery --> lungs --> pulmonaryvein --> left atrium --> left ventricle --> aorta

Select one:

True

False

8. Capillaries are as wide as one red blood cell.

Select one:

True

False

9. The purpose of the coronary arteries is to bring oxygenatedblood to the walls of the heart so that the muscles in the heartwalls can contract.

Select one:

True

False

10. Vasodilation refers to the narrowing of blood vessels.

Select one:

True

False

I have a lingering question which stems from an answer that Igave to What hydrolyses aspirin within the digestive tract andblood stream?

When a drug or any other substance is absorbed into thebloodstream in the stomach or small intestine, it ultimately passesthrough the hepatic portal vein and into the liver sinusoids, whereit is processed by hepatocytes and introduced into the generalcirculation via the vena cava. In terms of metabolism, this is whatcauses a "first-pass" effect for drugs that are ingested.

For drugs that are delivered either by intravenous,intramuscular, or sub-lingually (as in the other Biology.SEquestion), this first-pass effect is avoided, and the drug isintroduced into the general circulation without being metabolizedby the liver first.

Even though the first pass is avoided, the blood in the bodystill makes its way back through the liver eventually via thehepatic artery, which is a branch off of the celiac artery.

The issue I still have is, does the incoming blood from thehepatic artery merge with the blood from the hepatic portal vein?If not, does the blood from the hepatic artery still interact withthe hepatocytes in some way? (it makes sense that it does, and Ihave also read that one of the main functions of the hepatic arterywas to deliver blood supply for the liver's metabolic needs) Ifthis is not the case, where in the body would these drugs that wereintroduced via IV, etc., be metabolized?

Related Documents

BIO210Y5 Lecture Notes - Lecture 7: Duodenum, Abdominal Aorta, Aorta
byzantiumguinea-pig622
BIO 2135
Final Exam
Study Guide
BIO 2135 Quiz: Agnatha and Cartilinogeous Fishes Keywords
amethystmole69
BIOS1170 Lecture Notes - Lecture 1: Tunica Intima, Tunica Externa, Chordae Tendineae
goldduck450

Weekly leaderboard

Home
Homework Help 3,900,000
Biology 460,000
Start filling in the gaps now
Log in