The pacemaker of the heart is normally what structure?
A. sinoatrial node
B. atrioventricular node
C. mitral valve
D. bundle of His
E. left ventricle
A
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The auditory tubes open into the
A) nasopharynx. B) oropharynx. C) laryngopharynx. D) larynx. E) nasal cavity.
A Calorie unit used in food is equal to the amount of energy necessary to raise the temperature of 1 kilogram of water ________ degree(s) Celsius.
A) 1 B) 2 C) 10 D) 100 E) 1,000
The chapter cited a few advantages and disadvantages of sociality but did not provide a complete list. Begin with the examples in this chapter and compile a more complete list of the pros and cons of group living
What will be an ideal response?
Describe the functions of the facial bones
A) The facial bones protect the anterior portion of the brain. B) The facial bones protect the posterior portion of the brain and provide a site of attachment for neck muscles. C) The facial bones protect and support the entrances to the digestive and respiratory tracts and provide a site of attachment for muscles of facial expression. D) The facial bones provide a site of attachment for the muscles that move the eyes, jaw, and head. E) The facial bones form the lower jaw and provide a site of attachment for muscles that allow speaking and chewing.