Jun 13, 2026Elias Ntezimana
Ebola is one of the deadliest infectious diseases in the world. Despite major advances in prevention and treatment, it continues to pose a serious threat to public health, particularly in parts of Africa.
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Jun 13, 2026Elias Ntezimana
The extinction of the dinosaurs is one of the most significant events in Earth's history. It occurred about 66 million years ago and marked the end of the age of dinosaurs.
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Jun 13, 2026Elias Ntezimana
The nervous system is a complex network of organs and cells that controls, coordinates, and regulates all activities of the body.
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Jun 13, 2026Elias Ntezimana
Insects are the most abundant group of animals on Earth and play essential roles in maintaining ecosystems and supporting life.
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Jun 13, 2026Elias Ntezimana
A food chain is a sequence of organisms through which energy and nutrients pass from one living organism to another in an ecosystem
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Jun 13, 2026Elias Ntezimana
Hormones are chemical messengers produced by endocrine glands. They regulate and coordinate many essential functions of the human body.
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Jun 13, 2026Elias Ntezimana
A balanced diet is essential for the proper functioning of the human body because it provides the energy and nutrients needed for growth, maintenance, and overall health.
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Jun 13, 2026Elias Ntezimana
Hereditary diseases are disorders caused by genetic abnormalities that are transmitted from one generation to the next through inheritance
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Jun 12, 2026Elias Ntezimana
The origin of life is one of the most important questions in biology. Scientists have proposed several theories to explain how life first appeared on Earth about 3.5 to 4 billion years ago.
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Jun 12, 2026Elias Ntezimana
A genetic mutation is a permanent change in the DNA sequence of an organism. Mutations are responsible for genetic variation and play a crucial role in evolution, adaptation, and sometimes disease
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Jun 12, 2026Elias Ntezimana
The cell is the smallest living unit capable of performing all the functions necessary for life. Every living organism, from microscopic bacteria to large animals and plants, is composed of one or more cells.
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