Which type of bone has concentric lamellae?
A. compact bone
B. both spongy and compact
C. spongy bone
A
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The reason recessive genetic disorders are more frequent than disorders inherited as dominant is that ________
A) people carrying dominant genetic disorders always die before birth B) recessive genetic disorders are limited to persons of the same ethnicity C) carriers are not eliminated by the disease before passing the defective alleles on to their offspring D) dominant genetic disorders are never expressed in males
The ________ is the amount of blood in a ventricle after it has contracted and before it begins to refill.
Fill in the blank(s) with the appropriate word(s).
Interneurons
A) are found only in the central nervous system. B) carry only sensory impulses. C) carry only motor impulses. D) only connect motor neurons to other motor neurons. E) are found between neurons and their effectors.
Autonomic motor neurons
A) cause general relaxation. B) cause general excitation. C) conduct impulses from sensory receptors. D) conduct impulses to skeletal muscles. E) conduct impulses to smooth and cardiac muscles and glands.