Essays Tagged: "contraction"


and hard body tissue.Without then we wouldn't exist. They also help out with thenervous system the contraction of mussels and help the bloodflow properly.Minerals are classified into 2 major groups. ... keep your teeth strong.About 90% of all calcium is stored in your bone's. It also helpswith mussel contraction. Milk products such as milk, cheeseand other stuff it the primary source for calcium. Yo ...

(1 pages) 53 0 4.0 Oct/1996

Subjects: Science Essays > Biology

"Society's Restraint to Social Reform" in Canada

nd business supporters and it's anti-poverty andsocial justice critics. In actuality, workfare is a contraction of theconcept of 'working for welfare' which basically refers to the requirementthat rec ...

(6 pages) 75 0 3.4 Mar/1996

Subjects: Law & Government Essays > Government

It's about the benefits for old people exercising!

Exercise and AgingExercise is the activity that results in contraction of skeletal muscle. The term is usually used in reference to any activity that promotes ...

(7 pages) 182 2 3.6 Oct/2002

Subjects: Humanities Essays > Health & Medicine > Diseases

An essay on the mechanism of breathing and its control.

controlThe basic mechanisms involved in inspiration and expiration are as follows;1)InspirationThe contraction of the diaphragm and external intercostals muscles leading to an expansion of the lungs. ... led inspiration or breathing in.2)ExpirationThis involves the relaxation of inspiration muscles and contraction of internal intercostals muscles decreasing the size of the lungs. This decrease in the ...

(4 pages) 87 0 4.4 Jan/2003

Subjects: Science Essays > Biology > Human Biology

The movement cycle of the erythrocyte (or red blood cell).

when contracted. The flow of blood into the ventricle is controlled by the bicuspid valve, and the contraction of the ventricle is so forceful that the cells move at high pressure into the aortic arc ...

(1 pages) 31 0 3.0 Oct/2003

Subjects: Science Essays > Biology > Human Biology

What role do Glia cells play in the neural functioning?

ich tie the sensitive neuron and the motor neuron, the motor neuron or effectors neuron control the contraction of the muscles) and the autonomic nervous system(are responsible to control glandules an ...

(5 pages) 71 1 4.7 Nov/2003

Subjects: Science Essays > Biology > Human Biology

A project on the human esophagus

t 25 cm long and 2.5 cm across. Food is forced downward to the stomach by powerful wave like muscle contractions passing through the walls of the esophagus. Because these contractions are so strong in ... sophagus wall contains two muscle layers, an inner circular layer and an outer circular layer. This contraction must be coordinated with a relaxation of the circular muscle and a contraction of the lo ...

(2 pages) 22 0 2.0 Jan/2004

Subjects: Humanities Essays

Points on the esophagus in the digestive system.

t 25 cm long and 2.5 cm across.-Food is forced downward to the stomach by powerful wave like muscle contractions passing through the walls of the esophagus.-The contractions are so strong in the throa ... sophagus wall contains two muscle layers, an inner circular layer and an outer circular layer.-This contraction must be coordinated with a relaxation of the circular muscle and a contraction of the lo ...

(1 pages) 21 0 3.0 Jan/2004

Subjects: Humanities Essays

The birth and death of stars.

and generating heat, creating what is called a protostar. As the heat intensifies, the speed of the contraction slows as the hot gases resist gravity. The star radiates some of the heat energy out to ... reactions. The increased rate of fusion, in turn, increases the temperature, which prevents further contraction. This balance is called hydrostatic equilibrium.Stars expand as they grow old. The star ...

(4 pages) 126 1 3.0 Apr/2004

Subjects: Science Essays > Astronomy

A&P Lab Report on Blood Pressure & Pulse during exercise

nit is mmHg. The blood pressure of an individual is expressed in two ways, the systolic (due to the contraction of the ventricle) and diastolic, (due to the relaxation of the ventricle). The normal bl ...

(2 pages) 154 0 2.6 Apr/2004

Subjects: Science Essays > Biology > Human Biology

Franklin Delano Roosevelt's New Deal and its impact on US.

Hoover assumed the presidency in 1929, the economy began to decline, and between 1930 and 1933 the contraction assumed catastrophic proportions never experienced before or since in the United States. ...

(3 pages) 164 2 4.8 Jun/2004

Subjects: History Term Papers > North American History > North American Presidents

Compare and contrast the conductive versus the conductive versus the contractile cardiac muscle fibers.

rdiac muscle fibers. Describe their arrangement in the heart and explain the roles each play in the contraction of the heart.Contractile· Striated· Has intercalated discs - gap junctions ... -tubules, SR· Pacemaker potential· If cardiac muscle is stretched, it causes stronger contractions.· No temporal summation, tetanus and no motor units.The myocardium (muscle heart ...

(2 pages) 29 0 4.3 Feb/2005

Subjects: Science Essays > Biology > Human Biology


CHOLERACauses And Contraction Of CholeraCholera is the illness caused by a bacterium called Vibria cholerae.The most c ...

(2 pages) 25 0 3.0 Feb/2005

Subjects: Science Essays > Biology

Skeletal and muscular system

pes of Skeletal Systems Movement is a major characteristic of animals. This movement is a result of contraction of muscles. The skeleton helps transmit that movement. Skeletons are a fluid-filled body ... drostatic skeletons consist of fluid-filled closed chambers. Internal pressures generated by muscle contractions cause movement as well as maintain the shape of the animals, such as the sea anemone an ...

(9 pages) 118 0 4.7 Mar/2005

Subjects: Science Essays > Biology > Human Biology


nodes Diarrhea Weight loss Fever Cough and shortness of breathRoutes Of Contraction Of AIDS:Sexual contactThe male and female's reproductive organs are covered by mucous me ...

(4 pages) 69 0 3.7 Apr/2005

Subjects: Science Essays > Biology

What is Deflation and What Causes it to Occur?

is an increase in the volume of money and credit relative to available goods," and "Deflation is a contraction in the volume of money and credit relative to available goods." To understand inflation ... them and only to the extent that people believe that they will.The dynamics of value expansion and contraction explain why a bear market can bankrupt millions of people. At the peak of a credit expan ...

(10 pages) 93 0 5.0 Aug/2005

Subjects: Businesss Research Papers > Markets & Exchanges

Management Economics: Define 'Business cycle'. Explain various phases of business cycle?

th of output (recovery and prosperity), alternating with periods of relative stagnation or decline (contraction or recession). These fluctuations are often measured using the real gross domestic produ ... :-A trade cycle is wave like movement.-Cyclical fluctuations are recurrent in nature.-Expansion and contraction in a trade cycle are cumulative in effect.-Trade cycles are all pervading in their impac ...

(8 pages) 239 0 4.6 Sep/2005

Subjects: Social Science Essays > Economics

Organizational Behaviour: Cross- Cultural Problem at Peninsular Insurance.

onomy.The recession experienced in Malaysia in 1985 lasted for only one year with a mild 10 percent contraction (The Malaysian Financial Crisis: Economic Impact and Recovery, 2002). Malaysian recessio ...

(26 pages) 356 0 4.9 Jan/2006

Subjects: Businesss Research Papers > Case Studies

Social Justice Investigations

d create a sense of greed amongst the people. In a Christian perspective, God doing this would be a contraction because. Thus, the notion of free will is embraced by Christians, and is clearly proven ...

(3 pages) 52 0 4.3 Jan/2007

Subjects: Humanities Essays > Religion & Faith


ment of its blood vessels brought about chiefly by the dilation of the arterioles but partly by the contraction of the muscle which obstructs the venous outflow from the organ. In the woman the clitor ... rium and prepares mammary glands for lactation. Progesterone is responsible for suppressing uterine contraction and formation of mucus plug.Pregnancy does not occur unless many millions of sperms are ...

(3 pages) 18 0 1.0 Apr/2001

Subjects: Social Science Essays > Controversial Issues