How does the heart impel the blood, Biology

Assignment Help:

How does the heart impel the blood?

The heart is a muscular organ that having chambers (right atrium and right ventricle and left atrium and right ventricle) by which blood passes. The blood enters the heart in the atria, goes to the ventricles and then leaves the organ.

The blood is pumped out of the heart by the contraction of the muscle fibers that type the ventricular walls. The contraction reduces the ventricle volume therefore increasing the internal pressure and the blood then flows to the exit vessels (pulmonary artery for the right ventricle and aorta for the left ventricle). When ventricular muscle fibers distend the ventricles regain their original size and receive new blood flow coming from the atria.

The Circulatory System - Image Diversity: heart structure

 


Related Discussions:- How does the heart impel the blood

What is atraumatic needles, What is Atraumatic needles Atraumatic need...

What is Atraumatic needles Atraumatic needles with sutures comprise an eyeless needle attached to a specific length of suture thread. There are several shapes of surgical n

Inferior epigastric artery-other arterial conduits, Inferior Epigastric Art...

Inferior Epigastric Artery (I.) :  This is a branch of external iliac artery supplying the abdominal wall. It is raised as a free graft for CABG. The usual length availab

Integumentary, What modern technology used for the integumentary system?

What modern technology used for the integumentary system?

Why in the preparation of a karyotype analysis, Why in the preparation of a...

Why in the preparation of a karyotype analysis is the use of a substance like colchicine interesting? The Colchicine is a substance that disallows the formation of microtubules

Making smoke prints of leaves, Making smoke prints of leaves Smoke print...

Making smoke prints of leaves Smoke prints of leaves may be simply made by following the four steps shown in the diagrams. Cover the side of a smooth, round bottle with a thin l

What is gametogenesis, What is the type of cell division that allows sexual...

What is the type of cell division that allows sexual reproduction? What is gametogenesis? Meiosis is the type of cell division that permits sexual reproduction since it decreas

Cornea - organogenesis of eye and limb, Cornea - Organogenesis of Eye a...

Cornea - Organogenesis of Eye and Limb The fully formed cornea contains 2-cell layered epithelium and the stroma made of extra cellular secreted materials. The bulk of the

Describe microtubular cytoskeleton in protozoans, Protozoans have endoskele...

Protozoans have endoskeletons formed from microtubular cytoskeleton of the exoskeletons or cytoplasm secreted as shells or tests. Some of these single-cell organisms are capable of

Examine the blood types, Discuss blood types, the factors in crime scenes. ...

Discuss blood types, the factors in crime scenes. What is a criminal case where blood samples were important in the case decision and outcome, what was it about the blood in this c

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd