Which of the following are chemoreceptors?
A. hair cells in the cochlea
B. receptors in the aortic and carotid bodies
C. baroreceptors in the aortic and carotid arch
D. receptors that mediate the Hering-Breuer reflex
B
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Cardiac muscle can function without nervous stimulation but skeletal muscle cannot.
Answer the following statement true (T) or false (F)
The amount of O2 picked up in the lungs exceeds the amount extracted and used by the tissues
a. True b. False Indicate whether the statement is true or false
A Punnett Square is used to do which of the following?
a) find the locus of particular gene in a chromosome b) show an individual's set of chromosomes organized in pairs and in order by size c) show how haploid cells become diploid d) show the expected outcome of a single mating
Explain the factors that affect cardiac output. In your answer provide one example of a positive inotropic agent and one example of a positive chronotropic agent. For each of those examples, explain what specifically happens to the cells of the heart when they have their effect.
What will be an ideal response?