Muscle contraction is required for expiration.
Answer the following statement true (T) or false (F)
False
Expiration is the passive part of ventilation when the muscles relax.
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Phylogenetic trees show inferred evolutionary relationships in the form of multiple branching lineages connected by nodes.
Answer the following statement true (T) or false (F)
A merodiploid is:
A. a haploid organism that contains a second copy of a part of its genome. B. a haploid organism that is missing part of its genome. C. a diploid organism that is missing part of its genome. D. a diploid organism that contains another copy of its genome.
If primary production increases in an ecosystem, it would be reasonable to expect that
A. nutrients are a limiting factor. B. gross production would not increase. C. cellular respiration would increase. D. the trophic web has become more complex. E. the biomass of herbivores would increase.
When the left ventricle contracts, blood moves into the:
a. aorta b. pulmonary artery c. left atrium d. superior vena cava e. pulmonary circuit