Multiple Choice
Which of the following is a mechanism that helps maintain homeostasis by explaining or making excuses for deviations from normal behavior?
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21. The Immune System
Introduction to Cell Communication
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Which type of signaling involves chemical messengers being carried between cells by the bloodstream?
A
Paracrine signaling
B
Synaptic signaling
C
Autocrine signaling
D
Endocrine signaling
Verified step by step guidance1
Begin by understanding the different types of cell signaling: paracrine, synaptic, autocrine, and endocrine.
Paracrine signaling involves chemical messengers affecting nearby cells, typically within the same tissue.
Synaptic signaling is specific to neurons, where neurotransmitters are released across synapses to target cells.
Autocrine signaling occurs when a cell releases chemical messengers that bind to receptors on its own surface, affecting itself.
Endocrine signaling involves the release of hormones into the bloodstream, allowing them to travel to distant target cells throughout the body.
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