Bone Is Composed of

question 19

Multiple Choice

Bone is composed of

• A) living cells that secrete a surrounding matrix.
• B) a hard composite of phosphate and sodium ions.
• C) channels containing lymphoid tissue.
• D) hardened cartilage.

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Definitions:

Prefrontal Cortex

The front part of the frontal lobe of the brain, involved in complex behaviors such as planning, decision making, and moderating social behavior.

Hypothalamus Axons

Axons originating from the hypothalamus, involved in functions like temperature regulation, hunger, and emotional responses.

Postsynaptic Membrane

The membrane of the neuron that receives and responds to neurotransmitters from another neuron at a synapse.

Peptides

Chains of amino acids that are shorter than proteins, which play key roles in biological functions and act as neurotransmitters, hormones, and catalysts.