Essays Tagged: "nutrients"


00 when Belgian Jan van Helmont showed in his classical experiment that plants obtain substances or nutrients from water. He planted a 5-pound willow shoot in a tube containing 200 pounds of dried soi ... phosphorus, potassium, magnesium, calcium, and sulfur if plants are to make reasonable growth. The nutrients are all needed in significant quantities by all plants. Oxygen, hydrogen, and carbon are a ...

(10 pages) 137 0 4.2 Apr/2002

Subjects: Science Essays > Agriculture

Nutrition and You

rient or activity can maintain optimal health and well being, although it has been proven that some nutrients are more important than others. All of the nutrients are necessary in different amounts al ... sary in different amounts along with exercise to maintain proper health.There are six main types of nutrients used to maintain body health. They are: carbohydrates, fats, proteins, vitamins, minerals, ...

(6 pages) 441 0 4.0 Nov/1996

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

Sickle Cell Anemia

e primary causes of anemia:(1) Reduced production of red blood cells, which may result from lacking nutrients or hormones, or from disease or other conditions.(2) Destruction of red blood cells, often ...

(2 pages) 71 0 4.6 Jan/1996

Subjects: Science Essays > Biology

An Ecosystem's Disturbance by a Pollutant

include: gases such as sulphur dioxide, elements such as mercury and arsenic, and even pollution by nutrients which is referred to as eutrophication. Each of these pollutants pose a different effect o ... include: gases such as sulphur dioxide, elements such as mercury and arsenic, and even pollution by nutrients which is referred to as eutrophication. Each of these pollutants pose a different effect o ...

(83 pages) 282 0 3.7 Jan/1996

Subjects: Science Essays > Environmental Science


port on fungus -The kingdom of Fungi contains single-celled and multicellular organisms that absorb nutrients for food. Fungi, together with bacteria decay and decompose organic matter. Some fungi can ... having many features and uses. Fungi range from microscopic organisms to giant growths. They absorb nutrients from decaying, organic material, or living plants and animals. Fungus has helped humanity, ...

(2 pages) 76 1 5.0 Jan/1995

Subjects: Science Essays > Biology

'Breaking Down Growth' (hypotonics)

serve the right to change) Topic: Biology (hypotonics) Purpose: To see whether added chemicals (nutrients) help to speed up seed germination. Hypothesis: I feel that there are/should be certain ... temperatures. If this experiment is successful, than we should be able to tell which fertilizers/ nutrients/ stimulants to add to plants to speed up growth. Materials: The materials that I will b ...

(3 pages) 30 0 4.0 Jan/1997

Subjects: Science Essays > Biology

This essay is about the digestive system organs and functions. It covers information about the path food travels.

n use it. It produces enzymes, hydrochloric acid, mucus, hormones and Vitamin K. The system absorbs nutrients to send throughout the blood stream. Lastly, it eliminates waste.Saliva and teeth begin th ... ir-like projections. Each of these are covered with microvilli. These little threads absorb healthy nutrients and put them back into the blood stream. There are between 4 and 5 million of these just i ...

(3 pages) 188 0 4.6 Jan/2003

Subjects: Science Essays

How the pancreatic endocrine hormones glucagon and insulin work antagonistically to maintain homeostasis in the body and a discussion of negative feedback.

with sugar metabolism by creating insulin receptor sites.After a meal, insulin directs the flow of nutrients. This promotes fuel storage in the liver, adipose tissue and in muscles. The flow of nutri ...

(1 pages) 87 0 3.7 Jan/2003

Subjects: Science Essays > Biology > Human Biology

This is a paper I did for debating. It argues about about coke and other soft drinks, their affects and the need for kids to consume.

what they replace in the diet (like beverages and foods that provide vitamins, minerals, and other nutrients).Regular soft drinks provide youths and young adults with immense amounts of sugar and cal ...

(5 pages) 122 1 4.3 Jan/2003

Subjects: Humanities Essays > Health & Medicine

Inter-Organismal Transport System in Humans

stem in humans combines the purposes of the heart, blood, and blood vessels to transport oxygen and nutrients. It has extremely numerous functions, including oxygen distribution and attainment, waste ... r for it to survive.One of the transport systems most critical functions is to transport oxygen and nutrients to organs and tissues throughout the body. There are two absolutely vital processes that o ...

(6 pages) 65 0 5.0 Feb/2003

Subjects: Science Essays > Biology > Human Biology

Inter-organismal Transport in Paramecium. This essay includes a bibliography.

y have organelles that function similar to stomachs and they also have a distinct path on which the nutrients circulate. (Campbell, 799) (Cellular Digestion, 1). The diagram below illustrates in red t ... rculate. (Campbell, 799) (Cellular Digestion, 1). The diagram below illustrates in red the path the nutrients take to distribute the necessities to the rest of the cell. Also in the following diagram, ...

(6 pages) 43 0 4.7 Feb/2003

Subjects: Science Essays > Biology

Why are some countries called developing countries, and some developed countries? This essay gives facts about developing countries and gives differences between developing and developed countries.

mproved.Probably the most important issue is starvation; the result of a serious, or total, lack of nutrients needed for the maintenance of life. First of all it is one of the few words in the English ...

(6 pages) 218 0 4.5 Feb/2003

Subjects: Social Science Essays


erican Dietetic Association 1999; Homsey 1999).Although phytochemicals are not yet classified as nutrients, substances necessary for sustaining life, they have been identified as containing propert ... e the result of antioxidant effects, immune modulation and regulation of cell proliferation.Phytonutrients of the organosulfur compound family contain various forms of sulfur, which give them their ...

(7 pages) 143 1 3.2 Mar/2003

Subjects: Science Essays > Biology

Carnivorous Plants. Individual descriptions of the main species of Carnivorous Plants and how they feed.

y rains and remain waterlogged all year round. The soils in these areas are generally poor and lack nutrients. This is why these plants have adapted to supplement their diet by catching and digesting ... of the pitcher and then break down in the digestive acids and enzymes. The plant slowly absorbs the nutrients from the rotting insects, and then in the autumn the pitchers will begin to die down. Some ...

(5 pages) 66 1 4.3 Mar/2003

Subjects: Science Essays > Biology > Plant Biology

Nutritive Value of Vegetables and Fruit

Nutritive Value of VegetablesAll vegetables are valuable sources of nutrients. Some Vitamin A sources of vegetables are leafy green and bright orange vegetables. Cabbag ... peas, sweet potatoes, corn and beans.Nutritive Value of FruitFruit of all kinds is valuable for the nutrients supplied. Everybody needs Vitamin and Mineral content that fruit contributes to be healthy ...

(1 pages) 64 2 3.0 Mar/2003

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

A journal analysis of health and nutrition related issues of elderly individuals, compared to those of young children.

s (RDA). They allow us to realize crucial factors which play important roles in our daily intake of nutrients. However, the daily intake of various nutrients varies according to age, especially among ... lderly people younger than 70, but older than 60. Surprisingly, women were found to be lower in all nutrients, except for vitamin C.I feel that the information posed here in this study is important to ...

(6 pages) 254 0 4.0 Apr/2003

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

Breastfeeding Vs. Formula Feeding (a comparison in aabb)

o choose which is best for you and your child.There is no doubt that breastfeeding contains all the nutrients your baby needs for proper growth and development. Studies prove that breast milk provides ...

(2 pages) 177 3 4.3 Apr/2003

Subjects: Humanities Essays > Health & Medicine

Macbeth - Shakespeare.

ssential to every human beings survival. It is a fluid circulating throughout the body that carries nutrients and oxygen to the tissues in exchange for life and if this was somehow lost then the life ...

(3 pages) 21 0 3.0 May/2003

Subjects: Literature Research Papers > European Literature > Authors > Shakespeare > Macbeth

The Importance of Adequate Hydration in an Athlete's Diet.

an body. It enables transport of other substances by the circulation and interchange or exchange of nutrients and metabolic end-products between organs and their external surroundings. When you are fe ... ous health problems. Blood circulates like an ocean within the body. The water in blood helps carry nutrients and energy to our body cells. It also carries waste products away from our cells for excre ...

(12 pages) 120 0 4.3 May/2003

Subjects: Humanities Essays > Health & Medicine > Sports

Surface Area to Volume Ratio and the Relation to the Rate of Diffusion.

d shape of living organisms.The surface area to volume ratio in living organisms is very important. Nutrients and oxygen need to diffuse through the cell membrane and into the cells. Most cells are no ... mbrane and into the cells. Most cells are no longer than 1mm in diameter because small cells enable nutrients and oxygen to diffuse into the cell quickly and allow waste to diffuse out of the cell qui ...

(5 pages) 68987 1 3.0 May/2003

Subjects: Science Essays > Biology