The difference between what two pressures drives air into and out of the lungs?
A) atmospheric and intrapleural
B) pulmonary venous and atmospheric
C) central venous and intracoronary
D) atmospheric and intra-alveolar
E) intrapleural and intra-alveolar
Ans: D) atmospheric and intra-alveolar
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There is some debate about whether Homo floresiensis is a separate species or an aberrant form of Homo sapiens. Regardless, what we do know is that H. floresiensis were only found on an Indonesian island and adults were only 3 feet tall
What could explain this distinct phenotype? A. With no predators there was no need to be tall. B. Plants on that island never grew tall, so it was advantageous to be short. C. The smaller body size was necessary for an island, as food is often limited. D. The smaller body size made swimming easier. E. The smaller body size made conserving heat easier.
Arthropods have ____
a. exoskeletons b. endoskeletons c. hydrostatic skeletons d. segmental skeletons e. squishy skeletons
The designation CRE refers to:
What will be an ideal response?
Bacterial cells with capsules are resistant to killing by phagocytes
Indicate whether the statement is true or false