When we get cold, our body compensates by shivering. In this example, what role do the muscles play?
A. Receptors
B. Control centers
C. Stimuli
D. Effectors
D. Effectors
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AIDS is caused by a virus that attacks complement enzymes.
Answer the following statement true (T) or false (F)
Consider a mother with normal vision who has a son with red-green color blindness. The mother was a "carrier" of the affected gene, as she had a normal phenotype but
A. two recessive alleles. B. an incompletely penetrating genotype. C. two dominant alleles. D. one dominant and one recessive allele. E. a codominant set of alleles.
Bile salts is produced and secreted by:
a. Common bile duct b. Liver cells (hepatocytes) c. Cystic duct d. Pancreatic exocrine glands e. Gallbladder smooth muscle cell
Increasing levels of cortisol inhibit the release of corticotropin-releasing hormone (CRH).
Answer the following statement true (T) or false (F)