The refractory period prevents action potentials from spreading back over the part of the membrane where the impulse has just passed
Indicate whether the statement is true or false
T
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Which of the following is NOT a function of the respiratory system?
A. Defensive mechanisms B. pH regulation C. Detect odors D. Nutrient absorption E. Exchanging gases
Below is a listing of nephron components and associated structures
1 . descending limb of loop of Henle 2 . bowman's capsule 3 . collecting tubule 4 . ascending limb of loop of Henle 5 . distal tubule 6 . proximal tubule Indicate the correct flow of filtrate through these structures. a. 4, 6, 5, 3, 2, 1 b. 2, 6, 1, 4, 5, 3 c. 2, 5, 6, 3, 1, 4 d. 3, 2, 6, 1, 4, 5 e. 2, 1, 4, 3, 5, 6
The skeletal framework of the neck consists of:
a. lumbar vertebrae b. thoracic vertebrae c. sacral vertebrae d. cervical vertebrae
Matching
A) uniaxial B) biaxial C) nonaxial D) multiaxial 6) Joint 1. 7) Joint 2. 8) Joint 3. 9) Joint 4. 10) Joint 5. 11) Joint 6.