Shafts of hair are composed of
A) dead dermal cells. B) dead epidermal cells.
C) living dermal cells. D) living epidermal cells.
B
You might also like to view...
The body uses feedback loops to maintain homeostasis. The response that opposes an action is known as a(n) ________.
A. depressing feedback loop B. negative feedback loop C. positive feedback loop D. affirmative feedback loop
A construction worker was injured when a metal rod penetrated his abdominal wall inferior to his umbilicus and in the hypogastric region. The rod passed through to the lumbar region. Which of the following structures was most likely damaged?
A. Stomach B. Kidney C. Urinary bladder D. Liver
Calcium ions bind to the ________ molecule in skeletal muscle cells
A) actin B) tropomyosin C) myosin D) troponin
One of the primary functions of cortisol secretion at normal physiological levels is its anti-inflammatory action
Indicate whether the statement is true or false