Answer:
Heart disease and bulimia, and anorexia
Explanation:
Examine how poor fitness, stress levels and diet can affect the human circulatory and digestive systems; e.g., by causing: ulcers and acid reflex disease. eating disorders; e.g., anorexia, bulimia, high blood pressure and heart disease.
<span>The most important point being that the natural balance in an ecosystem is maintained. This balance may be disturbed due to the introduction of new species, the sudden death of some species, natural hazards or man-made causes.
if biodiversity reduce so ecological balance also disturbe because ecological balance formed by biodiversity that are animals and plants.</span>
Cell is a simple unit of life surrounded by a membrane that contains macromolecules and molecules associated with each other.
<h3>What is cell?</h3>
The smallest unit that makes up all living organisms and the tissues of the body. A cell consists of three main parts i.e. the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and its function controls the substances that go inside of cell and out of the cell. A nucleus is the membrane that enclosed organelle within a cell which contains the genetic material. The cytoplasm is the gel-like fluid inside the cell that provides a medium for chemical reaction.
So we can conclude that Cell is a simple unit of life surrounded by a membrane that contains macromolecules and molecules associated with each other.
Learn more about macromolecules here: brainly.com/question/5246898
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