What can happen when the usual negative feedback mechanisms are overwhelmed and destructive positive feedback mechanisms take over?

What will be an ideal response?


Homeostatic imbalances increase our risk for illness and produce the changes we associate with aging.

Anatomy & Physiology

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Perforating canals form transverse channels in bone tissue

Indicate whether the statement is true or false

Anatomy & Physiology

During sympathetic activation, which of the following would not occur?

A) elevated heart rate B) elevated blood pressure C) increased sweating D) elevated blood glucose E) constriction of pupil

Anatomy & Physiology

Label P represents which of the following structures?

A) uterine tube B) fornix C) pubic symphysis D) ovary E) uterus

Anatomy & Physiology

Which of the following molecules act as second messengers?

A. cAMP B. Ca2+ C. Inositol triphosphate D. All of the above

Anatomy & Physiology