Examlex
A fetus can get an infection when a pathogen in the mother's blood is capable of crossing the placenta to the fetal circulation and tissues.
Circulatory System
The body's system responsible for transporting blood, nutrients, gases, and wastes to and from cells, helping to fight diseases and help stabilize body temperature and pH.
Gas Exchange
The biological process through which organisms exchange oxygen and carbon dioxide with their environment, essential for respiration.
Diffusion
The movement of molecules or particles from an area of higher concentration to an area of lower concentration until equilibrium is reached.
Diffusion
The movement of particles from an area of higher concentration to an area of lower concentration, leading to an even distribution.
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