Cerebrospinal fluid is produced by ____________ cells
Fill in the blank(s) with the appropriate word(s).
ependymal
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Answer the following statements true (T) or false (F)
1. The last two sets of ribs that are only attached to the vertebrae are called false ribs. 2. The sternum is also called the breastbone. 3. The scapula and clavicle make up the pectoral girdle. 4. The tibia and fibula are the bones of the lower arm. 5. The femur is the bone of the thigh.
Select the correct statement about the uterine cycle
A) During the secretory phase, estrogen levels are at their highest. B) The menstrual phase of the cycle is normally from day 1 to day 8. C) During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone. D) If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
Cytoskeletal structures that are not found in all cell types are
A) intermediate filaments. B) myofibrils. C) microtubules. D) microfilaments.
When the radius of the airway was decreased, _______.
A. expiratory reserve volume decreased B. residual volume decreased and expiratory reserve volume decreased C. vital capacity increased D. tidal volume increased E. residual volume decreased