Free Radicals Are Formed in The________, and When You Exercise

question 45

Multiple Choice

Free radicals are formed in the________, and when you exercise, the increased use of_____ causes a(n) ______in free radicals.

• A) Kreb's cycle-glucose-decrease
• B) Kreb's cycle-fatty acids-increase
• C) electron transport system-oxygen-increase
• D) electron transport system-glucose-decrease

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Definitions:

Agonist

A substance that triggers a physiological response when combined with a receptor.

Antagonist

A substance that interferes with or inhibits the physiological action of another, often referring to a drug or muscle that opposes or competes with another.

Glutamate

A major excitatory neurotransmitter in the brain, involved in memory, learning, and the regulation of the nervous system.

Neurotransmitter

Chemical substances released at the end of a nerve fiber by the arrival of a nerve impulse, which, by diffusing across the synapse or junction, causes the transfer of the impulse to another nerve fiber, a muscle fiber, or some other structure.