Examlex
Which of the following forms cross-bridges with actin?
Autonomic Nervous System
A part of the peripheral nervous system that controls involuntary body functions, including heart rate, digestion, and respiratory rate, comprising the sympathetic and parasympathetic nervous systems.
Sympathetic Activity
The part of the autonomic nervous system that prepares the body for stress or emergency situations, often referred to as the "fight or flight" response.
Stress
A physical, mental, or emotional factor causing bodily or mental tension, which can stem from any event or thought that makes you feel frustrated, angry, or nervous.
Immune System
A complex network of cells, tissues, and organs that work together to defend the body against infections and disease.
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