The Central Focal Point in the Retina Where Cones Are

question 133

Multiple Choice

The central focal point in the retina where cones are heavily concentrated is known as the

• A) lens.
• B) optic nerve.
• C) cornea.
• D) fovea.

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Definitions:

Ectotherm

An organism that relies on external environmental heat sources to regulate its body temperature, commonly referred to as "cold-blooded".

Endotherm

An organism that maintains its body temperature through internal heat production, commonly known as warm-blooded.

Homeostat

A device or mechanism that regulates its internal environment to maintain a stable condition, mirroring the concept of homeostasis in biological systems.

Parasympathetic System

A division of the autonomic nervous system responsible for conserving energy and promoting restful states by slowing the heart rate, increasing intestinal and gland activity, and relaxing sphincter muscles.