Describe the events of the relaxation period of a muscle twitch

What will be an ideal response?


During relaxation, tension decreases as calcium ions are pumped back into the sarcoplasmic reticulum (SR) for storage. Tropomyosin blocks the active sites on actin and the muscle relaxes.

Anatomy & Physiology

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In ______, a cell increases the number of hormone receptors and becomes more sensitive to the hormone

A. amplification B. positive feedback C. down-regulation D. up-regulation

Anatomy & Physiology

To tip the soles of the feet medially, so they face each other, requires ________. Tipping them out laterally so they face away from each other is ________

A) medial excursion; lateral excursion B) dorsiflexion; plantar flexion C) opposition; reposition D) retraction; protraction E) inversion; eversion

Anatomy & Physiology

Your car breaks down along the highway on a cold winter afternoon. As you wait for help to arrive, the temperature drops significantly inside the car

Describe two involuntary adjustments an adult body will make in order to maintain core body temperature. What will be an ideal response

Anatomy & Physiology

Conscious interpretation of external stimuli

a. is sensation. b. rarely occurs. c. is perception. d. is processed in the diencephalon. e. none of these answers.

Anatomy & Physiology