Brandon Loves to Spend Many Hours Per Week in the Weightroom,and

question 54

Multiple Choice

Brandon loves to spend many hours per week in the weightroom,and he is quite muscular.Brandon's muscles have enlarged as a result of

• A) scar tissue.
• B) the production of more muscle fibers.
• C) the production of more troponin.
• D) the production of more actin and myosin filaments.

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Definitions:

Neurotransmitter

Chemicals released by neurons that transmit signals across a synapse from one neuron to another target neuron, muscle cell, or gland cell.

Activating Systems

Networks within the brain that are responsible for arousal, wakefulness, and the regulation of attention.

CNS

Central Nervous System, comprising the brain and spinal cord, responsible for integrating sensory information and coordinating bodily functions.

Fetal Tissue Transplants

The process of using tissue from a fetus for transplantation to treat or repair damaged tissue or organs in another individual.