A muscle that attaches to the intertubercular groove, adducts the arm, and is important when one does push-ups is the __________ __________.
Fill in the blank(s) with the appropriate word(s).
pectoralis major
You might also like to view...
What type of information is carried in the gracile fasciculus?
A. Descending motor commands to limb muscles for balance and posture B. Sensory signals from below level T6 for visceral pain, touch, and proprioception from the lower limbs C. Sensory signals from level T6 and up for pain, touch, and proprioception D. Signals for light touch, tickle, and temperature from the upper limbs E. Motor commands for fine control of limb muscles
The bacterium that causes tetanus produces a toxin that affects the central nervous system and skeletal muscles, producing powerful tetanic contractions of the skeletal muscles. The toxin probably acts by
A) Increasing the amount of acetylcholinesterase in the synapse. B) Making the cells less permeable to sodium ions. C) Increasing the amount of potassium ion in the intercellular fluid. D) Making the cell membranes more permeable to calcium ion. E) Competing with acetylcholine for receptors at the motor end plate.
In the bronchial tree, terminal bronchioles branch directly into
A. alveoli. B. large bronchioles. C. alveolar ducts. D. respiratory bronchioles. E. alveolar sacs.
Lymph traveling from the left arm would enter the venous circulation via the _______
A) thoracic duct B) right lymphatic duct C) cisterna chili D) axillary nodes