The small bean-shaped bodies into which the lymphatic vessels drain are the
A. lymph nodes.
B. adrenals.
C. subclavian veins.
D. valves.
A
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What is abnormal muscle tone or tension called?
a. dystonia b. atrophy c. dystrophy
A fixed action pattern is a sequence of behaviors that, once triggered, is ____
Fill in the blank with the appropriate word.
Which of the following is not associated with the bundle of microfilaments supporting each microvillus in small intestine mucosal cells?
A) fimbrin B) villin C) fascin D) myosin I E) All are associated with the microvillus microfilament bundle.
Which best describes the protective action of blinking?
A) An interneuron detects motion and sends this message to the peripheral nervous system (PNS), and the PNS sends a message back to blink. B) A sensory receptor detects motion, a sensory neuron sends this information to the spinal cord, and the information in the central nervous system (CNS) sends a message back to blink. C) A cell body detects motion, a sensory neuron sends this message to the peripheral nervous system (PNS), and the PNS sends a message back to blink. D) A cell body detects motion, a sensory neuron sends this message to the spinal cord, and the information in the central nervous system (CNS) sends a message back to blink.