Dogs use panting to dissipate excess heat. What part of their brain detects the need for this response and sends the signal to pant?
A. Amygdala
B. Hippocampus
C. Prefrontal cortex
D. Hypothalamus
Answer: D
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Once a pathogen has infected the host, ________ is a measure of the pathogen's ability to spread to adjacent or other tissues.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT part of the conducting portion of the human respiratory system?
A) Bronchi B) Pharynx C) Larynx D) Trachea E) Alveoli
Refer to the paragraph on lymph hearts. What effect would increasing lymph heart pressure have first?
A) Blood volume would increase. B) Blood volume would decrease. C) Hemorrhage would increase. D) Hemorrhage would decrease.
Which of the following characteristics best distinguishes dinoflagellates from the other Alveolata?
A. All dinoflagellates have a macronucleus and micronucleus. B. All dinoflagellates are photoautotrophic. C. All dinoflagellates have two distinctively placed flagella. D. All dinoflagellates are free-living.