Examlex
An assumption for the use of molecular clocks is that neutral mutations accumulate at a rapidly increasing rate over time between two species.
Immune System
The body's defense mechanism against infectious organisms and other invaders, comprising various cells, tissues, and organs.
Adrenal Cortex
The outer portion of the adrenal gland that produces steroid hormones such as cortisol, which regulates metabolism and the immune response, and aldosterone, which controls blood pressure.
Cortisol
A hormone released by the adrenal glands in response to stress or low blood glucose.
Blood Sugar
The concentration of glucose in the blood, an important energy source for the body's cells.
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