____ is not required for contraction of smooth muscle fibers
a. Calcium
b. Calmodulin
c. Phosphate
d. ATP
e. Troponin
E
Anatomy & Physiology
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Simple squamous epithelium is an example of a(n)
A) organ system. B) molecule. C) organ. D) tissue.
Anatomy & Physiology
For girls, menarche is usually the first sign that puberty has begun.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
In addition to testosterone and estrogen, reproductive organs (testes and ovaries) also produce the hormone ________, which decreases the production of FSH.
A. insulin B. thyroxine C. inhibin D. relaxin E. parathyroid hormone
Anatomy & Physiology
which chromosomes do not determine the sex of an individual?
a) alleles b) gametes c) diploid d) autosomes
Anatomy & Physiology