Nov 11, 2025 · Reflexes are quick reactions your body makes without thinking — like shivering when you’re cold or moving away from danger. They help keep you safe, steady and functioning by …

A reflex is an involuntary and nearly instantaneous movement in response to a stimulus. The reflex is an automatic response to a stimulus that does not receive or need conscious thought as it occurs …

Reflexes can be spinal or cranial, depending on the nerves and central components that are involved. The body uses both spinal and cranial reflexes to rapidly respond to important stimuli.

Accommodation reflex — coordinated changes in the vergence, lens shape and pupil size when looking at a distant object after a near object. Acoustic reflex or attenuation reflex — contraction of the …

Reflexes are rapid, predictable, involuntary motor responses to stimuli, and they occur through neural pathways called reflex arcs. All reflex arcs have the following components (as seen in Figure 9 1 1):

A reflex is an involuntary (say: in-VAHL-un-ter-ee), or automatic, action that your body does in response to something — without you even having to think about it. You don't decide to kick your leg, it just …

For example, when you trip and fall, reflexes automatically command your hands and arms to reach out and break your fall. Muscles will contract throughout your body to reduce injury.

A reflex is an involuntary and nearly instantaneous movement in response to a stimulus. Reflexes are crucial for survival as they enable quick reactions to potential threats. This article provides a …

Reflexes are essential components of the nervous system, playing a role in maintaining homeostasis and enabling organisms to adapt swiftly to environmental changes. By facilitating rapid, involuntary …

Reflexes are a unique category of responses because they do not require the higher centers used for conscious or voluntary responses. Instead reflexes are involuntary, stereotyped (they are repeatable …