The Process of Focusing on near or Distant Objects Involves

question 83

Multiple Choice

The process of focusing on near or distant objects involves:

• A)The lens becoming flatter to focus on near objects
• B)The lens becoming flatter to focus on distant objects
• C)Contraction of the iris muscles to constrict the pupil
• D)Contraction of the iris muscles to dilate the pupil

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Definitions:

Postsynaptic Cell

The cell that receives a signal (usually neurotransmitters) from another neuron at a synapse.

Neuroglia

Supportive cells in the nervous system that provide structure, nourishment, and protection for neurons.

Phagocytosis

The process by which a cell engulfs and digests solid particles to destroy them, gather information, or feed on them.

Electrical Signals

Electrical signals are impulses generated by the movement of ions across cell membranes, commonly found in nerve and muscle cells, facilitating communication within the body.