A body builder is doing curls, a type of arm exercise, with hand weights. In a curl, the body builder bends his arm and brins the weight closer to his or her shoulder. What type of movement is this?
A: rotation
B: extension
C: flexion
D: abduction
E: hyperextension
C: flexion
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If the gray matter of the spinal cord were to begin degenerating, which of the following structures would be breaking down?
A. Interneurons B. Myelin C. Cerebrospinal fluid D. Axons
Which descending tract is involved in reflex movements of the head in response to visual and auditory stimuli?
A. Corticospinal B. Spinothalamic C. Tectospinal D. Reticulospinal E. Vestibulospinal
Some antibodies against foreign antigens can react to similar self-antigens, causing an autoimmune disease.
Answer the following statement true (T) or false (F)
In __________ processes, the cell provides energy in the form of ATP to power the transport process.
a. active b. passive