Aged erythrocytes are phagocytized in the liver and spleen by cells called ________________
Fill in the blank with correct word.
macrophages
Anatomy & Physiology
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In the figure, what represents a saddle joint?
a) A b) B c) C d) D e) E
Anatomy & Physiology
The thick myofilament of the skeletal muscles is made of:
a. sarcomere b. actin c. myosin d. Z-lines
Anatomy & Physiology
The interconnecting struts and plates found in spongy bone are called
A) osteons. B) trabeculae. C) concentric lamellae. D) interstitial lamellae. E) lacunae.
Anatomy & Physiology
The fibers that carry the action potentials that cause skeletal muscle to contract are ________
A) anulospiral endings B) extrafusal fibers C) intrafusal fibers D) gamma motor neurons E) alpha motor neurons
Anatomy & Physiology