Answer:Aging. ...
Family history. ...
Smoking. ...
Alcohol. ...
Sunlight and ionizing radiation. ...
Organic and inorganic chemicals. ...
Viruses and Bacteria. ...
Hormone therapy.
Explanation:
Answer:
Cells with similar structures and a common purpose that are organized form a tissue (option D).
Explanation:
Biological tissues are structures originated by the grouping of differentiated cells, which are organized and distributed in such a way that they can fulfill a function in a coordinated way. A characteristic of tissues is that all the cells that constitute them have the same embryonic origin.
An example of a tissue is nervous tissue, formed by neurons, specialized cells that when united form it and fulfill the same function.
The functions of cells are mainly multiplication, development and differentiation, in addition to their ability to group together to form tissues.
The other options are not correct because:
<em>A. </em><u><em>Organs</em></u><em> are formed from differentiated tissue.</em>
<em> B and C. </em><em><u>Digestion and circulation</u></em><em> are functions that depend on the organs of the digestive and circulatory systems, respectively.</em>
Essential amino acids are those one cannot manufacture, because the body lack the enzymes necessary to create them from other biological molecules, thus they must be supplied from the diet each day. They include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine. Anorexia is a characteristic phenomenon that is induced by many types of dietary essential amino acid deficiencies . A valine deficiency for example is one of the strongest inducers of anorexia among deficiencies of the 9 essential amino acids.
- Watersheds
Streams and creeks are examples of " watersheds". Aquifers and ground water are related to each other because both of them are located under the earths surface. You have to dig in order to acquire these two. Watersheds are just like catch-basins where water are stored or being flowed.
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