Essays Tagged: "diaphragm"

The Telephone System

smitter uses carbon granules between metal plates called, electrodes, with one consisting of a thin diaphragm that moves by pressure from sound waves and transmits them to the carbon granules. These e ... granules. These electrodes conduct electricity flowing through the carbon. The sound waves hit the diaphragm causing the electrical resistance of the carbon to vary. The electret transmitter is compo ...

(4 pages) 88 0 4.8 Feb/1996

Subjects: Science Essays > Technology

Creative writing on "Things Fall Apart" by Achenua Achebe. The teacher wanted us to explain our own culture to the Africans.

White Men's MedicineUntil the introduction of the birth control pill in 1960, diaphragms and condoms were the primary forms of contraception. Early condoms were probably made fro ... doms were probably made from linen sheaths. The cervical cap was introduced in early 1800s, and the diaphragm was introduced later that century. In the mid-nineteenth century, feminists in the United ...

(5 pages) 65 0 3.0 Dec/2002

Subjects: Literature Research Papers > Creative Writing

An essay on the mechanism of breathing and its control.

echanisms 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. This expansion mea ... impulses from the Inspiratory Centre stimulate the contraction of external intercostals muscles and diaphragm, and inhibit the expiratory system for about 2 seconds. The effect of this is the inflatio ...

(4 pages) 87 0 4.4 Jan/2003

Subjects: Science Essays > Biology > Human Biology

Structure And Function Of The Spleen

ant. It sits on the left colic flexure1, in the left hyperchondriac region, between the stomach and diaphragm. Posteriorly, it is associated with the left 9th through 11th ribs, separated from them by ... ly, it is associated with the left 9th through 11th ribs, separated from them by the diaphragm. The diaphragmatic surface of the spleen is convexly curved to fit the concavity of the diaphragm. The po ...

(4 pages) 56 0 4.5 Mar/2004

Subjects: Science Essays > Biology

Science, How is an eye like a camera?

is the Iris. This is the part of the eye which is responsible for one's eye color. It acts like the diaphragm of a camera, dilating and constricting the pupil to allow more or less light into the eye. ...

(2 pages) 21 0 3.0 Jun/2004

Subjects: Science Essays

The part relaxation plays in public speaking

Relaxation is the absence of tension in the body. The main muscles used in the breathing are the diaphragm, the intercostal muscles and the abdominal muscles. They must always be relaxed and under ... nd straight up and erect, it is NOT slumping or lying down. The correct breathing style Intercostal Diaphragmatic Breathing as it expands your chest capacity. It gives you capacity and control.The pro ...

(2 pages) 39 0 4.6 Mar/2006

Subjects: Social Science Essays > Communication Studies

The process of turning breath into voice and outline how a well-modulated vocal tone is achieved.

and straight up and erect, it is NOT slumping or lying down. The correct breathing style IntercostalDiaphragmatic Breathing as it expands your chest capacity.The process of turning breath into voice s ... urning breath into voice starts with breathing air in. The best way to do this is using Intercostal Diaphragmatic Breathing; this is when your intercostal muscles pull your ribs upwards and outwards, ...

(1 pages) 13 0 3.0 Mar/2006

Subjects: Social Science Essays > Communication Studies

Mitosis Lab

hing at all. After several minutes of close examination and repeated attempts, we realized that the diaphragm was set to let the least amount of light possible through the slide. After correcting this ...

(2 pages) 19 0 0.0 Nov/2001

Subjects: Science Essays > Biology

Human Body

illed with millions of tiny air sacs called alveoli. The alveoli are at the end of the bronchi. The diaphragm is an important part to breathing. The diaphragm is a large muscle that separates the ches ...

(2 pages) 44 0 4.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

Human Body

illed with millions of tiny air sacs called alveoli. The alveoli are at the end of the bronchi. The diaphragm is an important part to breathing. The diaphragm is a large muscle that separates the ches ...

(2 pages) 19 0 5.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

Human Body

illed with millions of tiny air sacs called alveoli. The alveoli are at the end of the bronchi. The diaphragm is an important part to breathing. The diaphragm is a large muscle that separates the ches ...

(2 pages) 19 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

What Causes Hiccups?

First the roof of the mouth lifts, as does the back of the tongue, accompanied by a burp. Then the diaphragm and then all the inhaling muscles come together in a strong contraction. Just after the co ...

(1 pages) 1370 1 3.0 Feb/2008

Subjects: Science Essays > Biology > Human Biology

The Phonograph

ng with both the telephone and the telegraph. For the telephone Edison was experimenting with how a diaphragm could change a voice into an electrical signal. At the same time he was working on the tel ... om a telegraph signal. Edison got the idea of attaching the stylus from a telegraph repeater to the diaphragm in the mouthpiece of a telephone. Then as he yelled across the diaphragm he put a paper un ...

(4 pages) 2446 0 0.0 Jun/2008

Subjects: Science Essays > Technology

Investigating the Compound Microscope

microscopes might have extra features, such as the coarse focus, condenser adjustment, illuminator, diaphragm, etc, but the basics are the 5 components stated before. The effects of the 5 components a ...

(7 pages) 988 0 0.0 Oct/2008

Subjects: Science Essays > Technology

A Book Review on Atul Gawande's "Better"

ing one’s nails which can cost $10.15 to reconstructing a new born baby who was born without a diaphragm, which can cost at least $5,366.98 (114). This basic idea for a list of costs dates back t ...

(3 pages) 13 0 0.0 Mar/2009

Subjects: Literature Research Papers > Biographies

Describe, compare, and contrast the pathway of air in amphibians, Birds, Fish, and Humans.

ygen into the capillaries who take it to cells that needs it. Humans breath in with the help of the diaphragm. When the diaphragm drops, the muscles and ribs contract which causes a negative pressure ... lose their nostrils, and drop the floor of their mouth, to move air into the lungs. Humans drop the diaphragm and contract muscles.In terms of efficacy the human respiratory system is better. The resp ...

(5 pages) 4896 0 0.0 Jun/2009

Subjects: Science Essays > Biology