Examlex
Which animals have a collagen cuticle, a pseudocoelom, a tubular digestive system and no respiratory or circulatory organs?
Glutamate
A major excitatory neurotransmitter in the nervous system involved in memory, learning, and brain development.
Adrenal Gland
A gland above the kidney that produces hormones such as adrenaline and cortisol, which help control heart rate, blood pressure, and other important bodily functions.
Cortisol
A steroid hormone released by the adrenal glands in response to stress or low blood-glucose concentration.
Blood Sugar Levels
The concentration of glucose in the blood, which is a critical aspect of metabolic health and energy supply for the body.
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