Which structure separates the thickly walled pumping chambers of the heart?
A. Ligamentum arteriosum
B. Fossa ovalis
C. Interventricular septum
D. Interatrial septum
E. Fibrous myometrium
Answer: C
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Striated muscles, which appear to have stripes, are in which type of muscle?
A. Skeletal B. Internal C. Visceral D. Smooth
The taste sensation that amino acids such as glutamic acid cause is
A. salty. B. sour. C. umami. D. bitter.
Genetic segregation implies that the members of the allele pair determining each trait are distributed to different gametes during mitosis
Indicate whether the statement is true or false
Which of the following conditions would cause an increase in the heart rate?
A) activation of the parasympathetic nervous system B) acetylcholine stimulation of nodal cells and contractile cells C) activation of the sympathetic nervous system D) decreased blood concentration of carbon dioxide and increased blood pressure E) decreased blood concentration of oxygen and increased blood pressure