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In humans, implantation is the stage at which the embryo adheres to the wall of the uterus. This usually occurs 8-9 days after fertilisation.

Infrared waves, or infrared light, are part of the electromagnetic spectrum. People encounter Infrared waves every day; the human eye cannot see it, but humans can detect it as heat.

A person who comes to live permanently in a foreign country.

In humans, implantation is the stage at which the embryo adheres to the wall of the uterus. This usually occurs 8-9 days after fertilisation.

A geographical area or region throughout which the same standard time is observed.

The action of coming to live permanently in a foreign country.

An invasion of the body by harmful microorganisms.

Lines that meet or cross each other at a single point in a plane.

An invasion of the body by harmful microorganisms.

Drawing air into the lungs.