Which statement is true about intercostal nerves?
a. They are formed from the posterior rami of spinal nerves.
b. They form a thoracic plexus of nerves.
c. They originate from the thoracic part of the spinal cord.
d. They innervate the lower limb.
c. They originate from the thoracic part of the spinal cord.
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The layers of connective tissue surrounding a skeletal muscle from the inside to the outside in correct order are
A) epimysium, endomysium, and perimysium. B) endomysium, epimysium, and perimysium. C) endomysium, perimysium, and epimysium. D) epimysium, perimysium, and endomysium. E) perimysium, epimysium, and endomysium.
The Sertoli cells provide nourishment for the developing sperm cells
Indicate whether the statement is true or false
Some ecotherms survive freezing despite the fact that as much as _______ of their body water freezes
a. 25% b. 45% c. 50% d. 65% e. 80%
Which vertebrae have transverse foramina?
A. Thoracic B. Cervical C. Pelvic D. Lumbar E. Coccygeal