The structures within a sarcomere composed of titin are __________ filaments.
Fill in the blank(s) with the appropriate word(s).
elastic
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Which of the following is not part of the axial division of the skeletal system?
A) skull B) auditory ossicles C) hyoid bone D) pectoral girdle E) vertebral column
The nervous system and certain chemicals can cause the constriction of a blood vessel. This is known as
A. platelet adhesion. B. vascular spasm. C. hemostasis. D. coagulation.
What is the major advantage of the adaptive immune system?
A) The intensity of the immune response is decreased when a foreign agent is detected a second time because the immune system recognizes the foreign agent from a previous encounter. B) It has higher specificity than the innate system because it can identify which immune cells produce the correct antibodies and amplify those cells. C) All features of the adaptive immune system are the same in all vertebrates. D) A and B are equally advantageous.
Which of the following is NOT a function of carbohydrates in the body?
A. structural component of RNA B. bulk in feces C. structural component of DNA D. protection E. energy