Write a short note on malaria as a disease its causative, target organs symptoms and control.

Malaria is a human disease caused by members of plasmodium spp, the plasmodium spp lives inside red blood cells of vertebrate with two complete life cycle one in vertebrate and the other in the invertebrate (mosquito) namely schizogony and sporogony respectively.

Target organ

about one hour after after the mosquito has injected the sporozoites into man, it disappear from the blood stream and penetrate the parenchyma cells of liver to undergo schizogony to produce several numbers of merozoites, the merozoites reinvade the blood stream and penetrate the red blood cells to undergo schizogony after which the red blood cells ruptures and releases it to the blood stream with other wastes.

symptoms

Malaria symptoms is confused with other fevers in the tropics which calls for its diagnosis for confirmation of the disease through a thick and thin smear from blood collection.

control

Malaria can be controlled through the following ways;

Total reduction or abstinence from some human activities that could enhance the breeding sites of mosquito such as growing near houses, littering of houses with cans, abandoned old vehicles, plastic packages, storage of water among others.

Also the usage of drugs such as mefloquine is effective in the treatment of malaria or chloroquine

Explanation:

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.