Mechanisms for pumping blood, Biology

Assignment Help:

Mechanisms for Pumping Blood

Figure shows the three mechanisms for pumping blood. The importance of these three mechanisms in regulating blood flow varies according to the animal. In vertebrates, heart plays a major role in circulation; in arthropods both the movement of limbs and contraction of dorsal hearts are important. In the giant earthworm peristaltic contractions of the dorsal vessel move the blood in the anterior directions and thus fill 5 pairs of lateral hearts.

65_Mechanisms for Pumping Blood.png

                                     Figure:  Three types of pumps that move the blood in the circulatory system


Related Discussions:- Mechanisms for pumping blood

What are fossils, What are fossils? The Fossils are petrified vestiges ...

What are fossils? The Fossils are petrified vestiges of beings that lived in the past conserved by chemical and geological processes and found within rocks and sedimentary stra

Explain the width of the periimplant keratinized mucosa, Width of the Perii...

Width of the Periimplant keratinized Mucosa Clinical and experimental studies have failed to support the concept of an "adequate width" of keratinized tissue adjacent to natura

Staphylococcal food poisoning, Staphylococcal food poisoning results from c...

Staphylococcal food poisoning results from consumption of food containing enterotoxin produced by enterotoxigenic strains of Staphylococcus aureus. It is caused by ingestion of imp

How does the intensity of simple diffusion differ, Q. How does the intensit...

Q. How does the intensity of simple diffusion differ in relation to the concentration gradient of the moved substance? The higher the concentration gradient of a substance the

Sonu, my question is what is phyletic lineage

my question is what is phyletic lineage

Morphological nature of endosperm, Morphological Nature of Endosperm ...

Morphological Nature of Endosperm The morphological nature of endosperm in angiosperms has been a subject of much discussion in evolution. The endosperm in gymnosperms is a g

Is fecundation in amphibians external or internal, Is fecundation in amphib...

Is fecundation in amphibians external or internal? In this aspect are amphibians evolutionarily proximal to fishes or to reptiles? In the majority of the amphibian species fec

Expression of variability, In the preceding section we emphasised the fact ...

In the preceding section we emphasised the fact that cvolution or the continuous adaptations to the environment can take place only when pheiiotypes exhibit variability. In the abs

Tracheostomy care, Tracheostomy Care A tracheostomy is an external ope...

Tracheostomy Care A tracheostomy is an external opening made into the trachea in order to provide an artificial airway (an opening is made in the 2nd and 3rd or 4th trach

Define corneal scar - micronutrient deficiencies, Define Corneal Scar - Mic...

Define Corneal Scar - Micronutrient Deficiencies? The corneal ulcer, on healing, leaves a white scar, which may vary in size depending upon the size of the ulcer. When the scar

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