Answer:
All sexually transmitted diseases can be prevented by abstinence (not engaging in sexual activity) and using protection.
If one is sexually active, get tested for STIs regularly. Make sure the partner has been tested as well.
Some STIs are syphilis, genital herpes and hepatitis B.
<u>Protozoan are multiple-celled organisms:</u>
Protozoa are a various gathering of single-celled life forms, with in excess of 50,000 unique sorts spoke to. Protozoa are single-celled eukaryotes (creatures whose cells have cores) that generally show attributes typically connected with creatures, most strikingly portability and heterotrophy.
Protozoa (likewise protozoan, plural protozoans) is a casual term for single-celled eukaryotes, either free-living or parasitic, which feed on natural issue, for example, different microorganisms or natural tissues and flotsam and jetsam.
They come in a wide range of shapes and sizes extending from an Amoeba which can change its shape to Paramecium with its fixed shape and complex structure. They live in a wide assortment of sodden living spaces including freshwater, marine situations, and the dirt. They are frequently assembled in the realm Protista together with the plant-like green growth and parasite like water forms and ooze molds.
When minerals and salts dissolve in water the form ions. The ions are also known as electolytes. So when you dissolve minerals and salt they will form ions.
<span>A nephron is the basic structural and
functional unit of the kidney. Its functions are to regulate the
concentration of water and soluble substances like sodium salts by
filtering the blood, reabsorbing what is needed and excreting the rest
as urine. A nephron eliminates wastes from the body, regulates blood
volume and blood pressure, controls levels of electrolytes and
metabolites, and regulates blood pH. Its functions are vital to life and
are regulated by the endocrine system by hormones such as antidiuretic
hormone, aldosterone, and parathyroid hormone. In humans, a normal
kidney contains 800,000 to 1.5 million nephrons, we have so many because
we need them
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