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The Eatwell Guide is a pictorial summary of the main food groups and their recommended proportions for a healthy diet.It is the method for illustrating dietary advice by the Public Health England, issued officially by the Government of the United Kingdom.
The structure is similar in some respects to the USDA food pyramid, but there are clear distinctions between types of fats, and a more dramatic distinction where carbohydrates are categorized on the basis of free sugars versus sugars in their natural form. Some food substances are singled out due to the impact on the target issues that the ...
Proteins are the basis of many animal body structures (e.g. muscles, skin, and hair) and form the enzymes that control chemical reactions throughout the body. Each protein molecule is composed of amino acids which contain nitrogen and sometimes sulphur (these components are responsible for the distinctive smell of burning protein, such as the ...
[5] [better source needed] The average human skin cell is about 30 μm in diameter, but there are variants. A skin cell usually ranges from 25 to 40 μm 2, depending on a variety of factors. Skin is composed of three primary layers: the epidermis, the dermis and the hypodermis. [4]
skin - dead superficial layer: Stratified squamous, keratinized - integumentary: sweat gland ducts: Stratified cuboidal - integumentary: mesothelium of body cavities: Simple squamous: mesothelium: reproductive - female: ovaries: Simple cuboidal: germinal epithelium (female) reproductive - female: fallopian tubes: Simple columnar, ciliated ...
A healthy eating pyramid . The Healthy Eating Pyramid (alternately, Healthy Eating Plate) is a nutrition guide developed by the Harvard School of Public Health, suggesting quantities of each food category that a human should eat each day. [1]
Merkel cells, also known as Merkel–Ranvier cells or tactile epithelial cells, are oval-shaped mechanoreceptors essential for light touch sensation and found in the skin of vertebrates. They are abundant in highly sensitive skin like that of the fingertips in humans , and make synaptic contacts with somatosensory afferent nerve fibers .
Sunburned cells are those which have initiated apoptosis. The programmed cell death prevents the activity of damaged DNA or pathways that could otherwise lead to cancer. In the process, however, keratinocytes are killed. If the keratinocytes that apoptose are in the lowest layer of the skin, this can be an issue.