What factor affects hair texture?

A. The length of the shaft
B. The amount of keratin in the hair shaft
C. The color of the hair shaft
D. The shaft's cross-sectional shape


Answer: D

Anatomy & Physiology

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The endoplasmic reticulum is an example of a(n) ________ organelle

A) filamentous B) extracellular C) interstitial D) membranous E) bound

Anatomy & Physiology

The urethra contains an internal sphincter of smooth muscle

Indicate whether the statement is true or false

Anatomy & Physiology

In the science fiction movie The Abyss, a diver is able to breathe while his head is immersed in a specially prepared liquid pumped into a water-tight helmet attached to a suit, thus allowing him to dive without an air tank and at greater depths than possible for scuba divers. Is this purely fiction, or is it at least theoretically possible? Explain, considering the nature of alveoli and alveolar

gas exchange. Assuming it is possible, describe the composition and nature of the liquid in terms of its oxygen pressure and concentration. What will be an ideal response?

Anatomy & Physiology

Which of these pathways involves brain structures?A) The corticospinal pathwayB) The extrapyramidal systemC) The Golgi tendon organsD) The knee-jerk reflexE) All of these

What will be an ideal response?

Anatomy & Physiology