Essays Tagged: "Digestion"

How nutrients get in, and wastes get out.

t are classified chemically in four groups: carbohydrates, proteins, vitamins (Which do not require digestion) and fats.Carbohydrates in the diet occour mainly in the form of starches. These are conve ... rch is a large molecule, a polymer of glucose. Dextrin and maltose are intermediate products in the digestion of starch. Some foods contain carbohydrates in the form of sugars. These are the simple su ...

(7 pages) 267 2 4.4 Dec/1996

Subjects: Science Essays > Biology > Human Biology

Plasmid Fusion and PCR

t byexplaining the Plasmid Fusion lab.The Plasmid Fusion lab consisted of four major parts; plasmid digestion, gelelectrophoresis, restriction enzyme inactivation and ligation, and the final step, pla ...

(5 pages) 64 0 4.2 Dec/1996

Subjects: Science Essays > Biology


functions. One cell within an organism may be adapted for movement, while another cell carries out digestion. The individual cells no longer carry out all life functions, but rather depend on each ot ...

(5 pages) 138 0 3.0 Aug/1996

Subjects: Science Essays > Biology

Functions of organs in the digestive system,(BASIC)

The esophagus is a muscular tube, which carries food and liquids from the throat to the stomach for digestion after it has been chewed. The food then travels downward toward the stomach by strong wave ... f the nutrients area absorbed into the blood and the liquids and bodily waste everyday.AppendixMost digestion takes place almost continuously in a watery, slushy environment. The large intestine absor ...

(2 pages) 115 0 4.2 Dec/2002

Subjects: Science Essays > Biology > Human Biology

Explain how nutrients are obtained from our diet, and the contribution of each nutrient to the aerobic respiratory pathway

1.Digestion, Nutrition & BondsFoodstuffs mainly consist of biopolymers (complex carbohydrates, pro ... together by chemical bonds. Bonds are of vital importance in living systems, as they are broken in digestion, to provide energy - they are exergonic reactions - and constructed in repair and growth - ... usage (table 6 later).4.Energy systemsThe energy required by the body is thus supplied directly via digestion of the three main nutrients into the blood or indirectly from mobilisation of FAs and gluc ...

(14 pages) 144 1 4.8 Feb/2003

Subjects: Science Essays > Biochemistry

quick assignment on the digestive system and how the different types of foods eg protein,carbohydrates ect are broken down in the body.

Digestive System AssignmentIntroduction: Digestion is the process of breaking down food into smaller molecules that can be absorbed into the ... t important function is to provide the body with ENERGY. Other functions include:·Aid in the digestion and metabolism of food·Muscle contraction·Circulation and formation of blood ... w tissues-maintenance and repair·Nerve transmission·Maintain body temperaturePhysical digestion is when the food molecules are broken down into smaller pieces by the digestive systems or ...

(4 pages) 97 0 4.8 Apr/2003

Subjects: Humanities Essays > Health & Medicine > Health & Fitness

Developmental Psychology (physical, cognitive, and psychosocial ).

rimitive or lower portions of the brain develop earliest, and regulate such biological functions as digestion, respiration, and elimination; they also control sleep-wake states and permit simple motor ...

(10 pages) 821 6 4.8 May/2003

Subjects: Social Science Essays > Psychology

A project on the human esophagus

.The esophagus is a muscular tube which carries food and liquids from the throat to the stomach for digestion after it has been chewed and softened in the mouth. It is about 25 cm long and 2.5 cm acro ...

(2 pages) 22 0 2.0 Jan/2004

Subjects: Humanities Essays

Points on the esophagus in the digestive system.

-The esophagus is a muscular tube which carries food and liquids from the throat to the stomach for digestion after it has been chewed and softened in the mouth.-It is about 25 cm long and 2.5 cm acro ...

(1 pages) 21 0 3.0 Jan/2004

Subjects: Humanities Essays

Short biography IVAN PAVLOV.

ian). He continued his studies and began doing his own research in topics that interested him most: digestion and blood circulation. Pavlov's first independent work focused on the physiology of the ci ... remained until 1924 (Girogian). The work that made Pavlov world renown actually began as a study in digestion. He started studying digestion as early as 1879, and it was his major focus from 1890 to 1 ...

(3 pages) 50 0 4.8 Jan/2004

Subjects: Social Science Essays > Psychology > Psychological Theories & Authors

Digestion: Describe the digestion of a burger

DigestionA burger is broken down mechanically by biting into it. The food in the mouth sets off sali ... nd nutrients that remain in the lumen. The undigested materials are then excreted in feces, and the digestion of the burger is completed.

(1 pages) 31 0 3.0 Apr/2004

Subjects: Science Essays > Biology > Human Biology

Prejudice in Brazil

dictionary defines prejudice as narrow-mindedness. It also defines it asassimilation, absorption or digestion. The story of Gaspar Pereira Reboucas and RitaBrasilia dos Santos is very interesting and ...

(4 pages) 62 0 4.7 Apr/2004

Subjects: History Term Papers > Central & Southamerican History

Cystic Fibrosis

imately, death.In the digestive system, the abnormal mucus can obstruct ducts in organs involved in digestion. Cystic fibrosis can interfere with the normal processes of the liver, the pancreas (the o ... an systems. This means that it prevents salts from moving through body tissues properly, disrupting digestion and more importantly leading to chronic lung infection.Cystic fibrosis is a recessive gene ...

(5 pages) 52 0 3.0 Apr/2004

Subjects: Humanities Essays > Health & Medicine > Diseases

List the enzymes needed for the digestion of carbohydrates

x carbohydrates. They have a lot of glucose units. The units must be broken apart in the process of digestion. Starches consist of two kinds of molecules, amylose and amylopectin. Amylose is made of g ... can't be digested such as macaroni. Because food doesn't stay in the mouth long enough for complete digestion salivary breaks it down in the stomach. About 50% is broken down in the stomach. Starch di ...

(2 pages) 79 1 4.8 May/2004

Subjects: Science Essays > Biology > Human Biology

Disease of the Endocrine system: Diabetes

nto glucose which is the form of sugar in the blood and the main source of fuel for the body. After digestion, glucose passes into the bloodstream. Insulin, a hormone produced by the pancreas, large g ...

(3 pages) 129 1 4.5 Jun/2004

Subjects: Science Essays > Biology

Classical Conditioning

.This phenomenon was first demonstrated by Ivan Pavlov's" dog experiments" when doing research on a digestion of animals.- Pavlov induced classical conditioning learning by pairing a neutral stimulus ...

(1 pages) 84 1 0.0 Nov/2004

Subjects: Social Science Essays > Psychology


anism, allowing it to live. It includes all physical and chemical processes within the body such as digestion, food absorption, waste elimination, respiration, circulation, and temperature control. In ...

(7 pages) 105 0 4.3 Aug/2005

Subjects: Science Essays > Biology > Human Biology

Digestive system

her organ systems (for instance, nerves and blood) play a major role in the digestive system.Why is digestion important?When we eat such things as bread, meat, and vegetables, they are not in a form t ... s of nutrients before they can be absorbed into the blood and carried to cells throughout the body. Digestion is the process by which food and drink are broken down into their smallest parts so that t ...

(8 pages) 78 0 0.0 Jun/2006

Subjects: Science Essays > Biology > Human Biology

New Derivatives Of Antimalarial Drug Artemisinin

echanism accepted for the action of artemisin, the free haem group, obtained during the haemoglobin digestion is proposed to catalyse the formation of oxyl radicals, by oxidation of the Fe(II) to Fe(I ...

(4 pages) 12 0 5.0 Apr/2001

Subjects: Science Essays > Chemistry

Ivan Pavlov

ater was appointed professor of physiology at the Imperial Medical Academy. Pavlov began a study in digestion that would, in later years, be the reason why he would become a household name. While look ... the autonomic nervous system. Pavlov noticed that without salivation, the stomach didn't start the digestion process. He wanted to see if external stimuli could affect this process. By ringing a bell ...

(2 pages) 17 0 5.0 Oct/2001

Subjects: Social Science Essays > Psychology