يوليو 06, 2026Elias Ntezimana
Homo sapiens is the scientific name for modern humans and the only surviving species of the genus Homo. The species first appeared in Africa about 300,000 years ago and later spread across every continent.
عرض المزيد
يوليو 06, 2026Elias Ntezimana
Communication in birds is the process by which birds exchange information with one another using sounds, visual displays, body movements, and chemical or tactile signals
عرض المزيد
يوليو 06, 2026Elias Ntezimana
L’onchocercose, également appelée cécité des rivières, est une maladie parasitaire tropicale négligée causée par le ver Onchocerca volvulus.
عرض المزيد
يوليو 04, 2026Elias Ntezimana
An epidemic and a pandemic are outbreaks of infectious diseases that spread among populations. Although both involve the rapid transmission of disease, they differ mainly in the scale of their spread.
عرض المزيد
يوليو 04, 2026Elias Ntezimana
The sensory system is the part of the nervous system responsible for detecting changes inside and outside the body. It allows living organisms to receive, process, and respond to information from the environment.
عرض المزيد
يوليو 04, 2026Elias Ntezimana
Malaria is aA deadly disease caused by parasites of the genus Plasmodium , transmitted to humans through the bite of an infected female Anopheles mosquitoIt is a preventable and curable disease that mainly affects tropical areas
عرض المزيد
يوليو 03, 2026Elias Ntezimana
Albinism is a rare inherited genetic condition characterized by a reduced or complete absence of melanin, the natural pigment responsible for the color of the skin, hair, and eyes. It affects people of all ethnic groups and both sexes worldwide
عرض المزيد
