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excretory system
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amoeba sisters
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115K subscribers
HIV is a virus that attacks the body's immune system, specifically the CD4 cells, which are crucial for fighting infections. If untreated ...
995 views
9 days ago
Two other methods for birth control: spermicides, which are chemical contraceptives that kill sperm or inhibit their mobility and ...
503 views
3 weeks ago
Fertilization in humans is the process where a sperm cell from the male fuses with an egg cell from the female to form a zygote.
1,408 views
1 month ago
The human eye is a complex organ responsible for vision. Its anatomy includes several essential components that work together ...
1,197 views
The human reproductive system consists of organs and structures responsible for the production, maturation, and transportation of ...
2,747 views
2 months ago
Family planning methods involve behavioral practices or fertility awareness techniques to prevent pregnancy, relying on ...
1,006 views
The center of gravity (CG) of an aircraft is a crucial parameter representing the point where the entire weight of the aircraft can be ...
947 views
3 months ago
A perfect square is a non-negative integer that can be expressed as the square of another integer. They play a crucial role in ...
813 views
At the lowest level, biomolecules like DNA and proteins interact to form cells. Cells then organize into tissues, followed by organs, ...
1,676 views
4 months ago
Atoms are the fundamental units of matter, comprising a nucleus of protons and neutrons, surrounded by electrons.
1,906 views