The contraction of the piloerector muscles (pilomotor muscle or arrector pili) in humans causes __________.

A. hairs to stand on end, trapping an insulating layer of warm air next to the skin
B. generation of heat to raise the body temperature
C. hairs to stand on end to make the individual appear bigger
D. hairs to stand on end with no apparent function
E. increased ability to feel pain


D. hairs to stand on end with no apparent function

Anatomy & Physiology

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Damage to cells of the zona fasciculata of the adrenal cortex would result in

A) the loss of axillary and pubic hair. B) increased volume of urine formation. C) decreased levels of sodium ion in the blood. D) decreased ability to convert amino acids to glucose. E) increased water retention.

Anatomy & Physiology

What type of epithelium would be most suited for high levels of diffusion and filtration?

A. Transitional B. Simple squamous C. Pseudostratified D. Stratified squamous E. Stratified columnar

Anatomy & Physiology

Which knee ligament is most crucial for preventing hyperadduction?

A.   Tibial collateral ligament B.   Fibular collateral ligament C.   Patellar ligament D.   Anterior cruciate ligament E.   Medial meniscus

Anatomy & Physiology

Explain what is meant by the terms cotransport process and transport maximum

What will be an ideal response

Anatomy & Physiology