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Q: Red blood cells ( Answered,   0 Comments )
Question  
Subject: Red blood cells
Category: Science > Biology
Asked by: hazzy-ga
List Price: $20.00
Posted: 14 Feb 2004 01:42 PST
Expires: 15 Mar 2004 01:42 PST
Question ID: 306706
A red blood cell, which starts in the right Atrium, needs to get down
to the big toe. Starting at the Right Atrium, what veins, Arteries, or
any other type of blood transporting  cannel, would the body use to
get the red blood cell to the big toe?
Answer  
Subject: Re: Red blood cells
Answered By: hummer-ga on 14 Feb 2004 15:53 PST
 
Hi hazzy,

Well, that red blood cell better pack a lunch because it has quite a
trip ahead for itself. I'll start with a simplified list and work my
way down to a more detailed version.

Circulatory pathways:
[RIGHT ATRIUM]   
1) Pulmonary circulation
   right ventricle
   pulmonary arteries
   pulmonary capillaries
   pulmonary veins
   left atrium
   left ventricle
2) Systemic circulation
   left ventricle
   aorta
   large arteries
   medium arteries
[TOES]
   small arteries
   arterioles
   capillaries
[return to the heart]
   venules
   small, medium, and large veins
   venae cavae
http://anatomy.iupui.edu/courses/histo_D502/circ.system.lec.ovh.f01.html

>>>>>>>>>>>>>>>>>>>>>>

Sequence of blood flow  
1.  Superior and inferior vena cavae to Right atrium
2.  Right atrium (Tricuspid valve) to Right ventricle
3.  Right ventricle (Pulmonary semilunar valve) to Pulmonary artery and Lungs 
Deoxygenated blood delivered to lungs 
4.  Lungs via Pulmonary veins to Left Atrium
5.  Left Atrium through Mitral valve to Left Ventricle
6.  Left Ventricle through Aortic valve to Aorta
Oxygenated blood distributed to body 
Aorta
Arteries
Arterioles
Capillaries
Venules
Veins
Vena cavae                                                            
      and Back to the Right Atrium
http://www.dent.ohio-state.edu/phys604/jAKEMAN2003/Org(02)post2003.ppt

>>>>>>>>>>>>>>>>>>>>>>

CARDIOVASCULAR SYSTEM: 
MAJOR VESSELS AND CIRCULATORY PATHWAYS:
Coronary Arteries & Cardiac Veins
Arteries of the Head and Neck
    brachiocephalic
    right subclavian
    vertebral
    right common carotid
    internal carotid
    external carotid 
Arteries of the Brain
    internal carotid
    vertebral 
Arteries & Veins of Upper Limb
    brachiocephalic a.
    subclavian a.
    subclavian v.
    brachiocephalic v. 
Arteries of the Lower Limb
    abdominal Aorta
    right commoniIliac
    internal iliac
    external iliac
    femoral (pulse point)
    popliteal (pulse point)
    dorsalis pedis (pulse point)
    posterior tibial 
Aorta & Branches; Intercostal Arteries
    aortic arch
    coronary
    brachiocephalic
    common carotid
    subclavian
    thoracic aorta
    abdominal aorta
    celiac trunk
    superior mesenteric
    renal
    inferior mesenteric
    common iliac 
Arteries to Gastrointestinal Tract & Related Organs
    aortic
    celiac trunk
    superior mesenteric
    inferior mesenteric 
Arteries of the Pelvis & Perineum
    internal iliac 
http://www.mscok.edu/~bstewart/bstewart/classes/anatomy/vessels.htm

>>>>>>>>>>>>>>>>>>>>>

If the above links haven't broken it down enough for you, following
you will find the Circulatory System's "tree" (sort of like a family
tree). If you prefer, you can also view it as an alphabetical list.
Sorry, but it's far too long too post here.

Circulatory System:
Listed in order of appearance in tree.
http://www.bioeng.auckland.ac.nz/anatml/anatml/database/circulatory_system/circulatory_system/index.html

>>>>>>>>>>>>>>>>>>>>>>

Additional Link:

Circulatory Pathways:
http://training.seer.cancer.gov/module_anatomy/unit7_3_cardvasc_blood3_pathways.html

I hope I've been able to help. If you have any questions, please post
a clarification request before closing/rating my answer. Here is an
interesting little tidbit - capillaries are so small that red blood
cells can only travel through them in single file.

Thank you,
hummer

Google Search Terms Used:

circuit "circulatory system"
cardiovascular system 
pulmonary systemic pathways
"circulatory pathways"
blood transport system

Request for Answer Clarification by hazzy-ga on 17 Feb 2004 00:34 PST
Wow!! It's a lot of information to take in.  Do you think you could
simplify it just a little.  Thank you so much, and thanks for getting
to my question so fast!

Clarification of Answer by hummer-ga on 17 Feb 2004 07:01 PST
Hi hazzy,

Yes, the problem is not that there isn't much information available
but rather trying to find the appropriate information for the task at
hand. I thought you needed a list of the names of the blood vessels
that blood travels through on its way to the toes, however, perhaps a
diagram would be more appropriate in understanding blood transport.

In short, the blood moves from the right side of the heart, to the
lungs,  and back to the left side of the heart. From there, it is
pumped into the Aorta and moves to the rest of the body, on down to
the DORSAL DIGITAL ARTERY (toe).

SIMPLE DIAGRAM:
Interactive diagram: Click on the "Cardiovascular" box (bottom row,
second from left). At the circulatory diagram, hover your cursor over
various points to view the name of the part - click on it for a text
description.
http://www.innerbody.com/htm/body.html

Additional Links:

DETAILED DIAGRAMS:
Describes the Systemic Circulation, illustrated with diagrams:
http://media.pearsoncmg.com/ph/esm/esm_martini_fundanaphy_5/bb/obj/21/CH21/html/ch21_6_2.html

The Circulatory System:
http://users.tpg.com.au/users/amcgann/body/circulatory.html

Diagram:
http://infozone.imcpl.org/kids_circ.htm#diagram

Systemic Circulation: Vascular Network:
http://www.oucom.ohiou.edu/CVPhysiology/BP019.htm

List: Systemic Blood Vessels:
http://people.morehead-st.edu/fs/d.eisenhour/Bloodvessels.doc

Arteries Carry Away:
http://sln.fi.edu/biosci/vessels/arteries.html

Movie: Trip down a coronary artery. (928k)
http://www.mco.edu/iarc/movies/coronary.mov

Capillary Connections:
http://sln.fi.edu/biosci/vessels/capillaries.html

Blood Vessels:
http://www.learn.co.uk/default.asp?WCI=Unit&WCU=658

Images of blood vessels:
http://www.udel.edu/Biology/Wags/histopage/colorpage/cbv/cbv.htm

The Circulatory System Movie:
http://www.brainpop.com/health/circulatory/circulatorysystem/index.weml?&tried_cookie=true

If you need further assistance, please let me know and I'll be happy
to respond. Perhaps knowing the reason for your query would help in
finding an appropriate answer.

Thank you,
hummer
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