The figure illustrates a detailed drawing of the neuromuscular junction. What does "D" represent?
A. Postsynaptic membrane
B. Synaptic cleft
C. Synaptic vesicles
D. Sarcolemma
E. Presynaptic terminal
Answer: B
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The root of the lung includes all of the following except the
A. airway structures. B. nerves. C. blood vessels. D. All of the above are included in the root of the lung.
Answer the following statements true (T) or false (F)
1. Running barefoot results in higher joint torque at the knee than using running shoes. 2. A motionless body is in a state of static equilibrium. 3. The center of gravity of an object is always located within the object. 4. When other factors remain constant, an increase in the mass of an object will subsequently increase the object's stability. 5. If force is applied directly to the axis of rotation, torque will equal zero.
The functional unit of skeletal muscle is the myofibril
Indicate whether the statement is true or false
The following are major steps in the process of intramembranous ossification
1. Clusters of osteoblasts form osteoid that becomes mineralized. 2. Osteoblasts differentiate within mesenchymal connective tissue. 3. Spicules of bone radiate out from the ossification centers. 4. Mesenchymal cells aggregate. What is the correct order for these events? A) 4, 1, 2, 3 B) 2, 1, 3, 4 C) 4, 2, 1, 3 D) 2, 3, 1, 4