The ________ is the functional unit of the kidney.
A. medulla
B. nephron
C. neuron
D. calyx
Answer: B
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What are the three main components of connective tissue?
A) alveoli, fibrous capsule, and secretory cells B) collagen, elastin, and reticular fibers C) fibroblasts, chondroblasts, and osteoblasts D) ground substance, fibers, and cells
Which of the following movements is an example of extension?
A. Using your finger to point out an area on a map B. Raising your arm laterally C. Shrugging your shoulders D. Bending forward at the waist E. Kneeling
Most of the joints in the appendicular skeleton are _____ joints
A. fibrous B. immovable C. synovial D. cartilaginous E. inarticulate
Entry of ___ ions into the synaptic knob triggers exocytosis of neurotransmitters.
Fill in the blank(s) with the appropriate word(s).