Defining Diseases Use the drop-down menus to complete each sentence. occurs when the immune system attacks the body. is often caused by obesity resulting from overeating and poor nutrition. is caused by DNA changes in a single gene and affects the nerve cells in the brain. is caused by uncontrolled cell growth. occurs when the pancreas does not produce enough insulin, or the body does not respond properly to it.

1. Lupus

2. Cardiovascular disease

3. Huntington disease

4. Cancer

5. Diabetes

Explanation:

A disease can be defined as any harmful or abnormal deviation of the body of a living organism from its functional state or normal structure, which is typically accompanied by certain signs and symptoms.

Basically, a disease negatively affects the function or structure of the body of a living organism.

The different types of diseases experienced by living organisms include the following;

1. Lupus: occurs when the immune system attacks the body. It is referred to as an autoimmune disease.

2. Cardiovascular disease: is often caused by obesity resulting from overeating and poor nutrition.

3. Huntington disease: is caused by DNA changes in a single gene and affects the nerve cells in the brain.

4. Cancer: is caused by uncontrolled cell growth.

5. Diabetes: occurs when the pancreas does not produce enough insulin, or the body does not respond properly to it.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.