Which of the following is not true of ventricles?
a. are called discharging chambers
b. pump blood into the arteries
c. have thinner walls than atria
d. all of the above are true
c. have thinner walls than atria
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Organize the items listed into the proper sequence of events for gas exchange
a: O2 is transported to cells by circulatory system. b: O2 is drawn into the lungs during inhalation. c: Cells use O2 and generate CO2. d: CO2 is exhaled. e: The circulatory system transports CO2 to the lungs. A. a, b, c, d, e B. b, a, c, d, e C. b, a, c, e, d D. c, e, d, a, b E. e, d, c, b, a
B cells must accomplish double recognition:
They must simultaneously recognize self and nonself to be activated. Indicate whether the statement is true or false
Muscles that oppose one another are
a. synergists b. levers c. hateful d. antagonists e. fixators
The ligament that attaches the lateral femoral epicondyle to the fibula is called the ________.
A. posterior cruciate ligament (PCL) B. patellar ligament C. fibular (lateral) collateral ligament (LCL) D. tibial (medial) collateral ligament (MCL) E. anterior cruciate ligament (ACL)