The internal urethral sphincter is formed by skeletal muscle fibers of the urogenital diaphragm
Indicate whether this statement is true or false.
FALSE
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Answer the following statements true (T) or false (F)
1. The concentric rings surrounding the central canal of an osteon are called lamella. 2. Canaliculi are small canals that help supply the bone cells with food and oxygen. 3. The lacuna is a large canal in the center of the osteon that contains a blood vessel. 4. Chondrocytes are cartilage cells. 5. Osteoclasts are the bone-forming cells.Osteoclasts are the bone-forming cells.
Muscles are generated from:
a. Ectoderm b. Mesoderm c. Endoderm d. Chorion
The ____ artery is between the renal pyramids.
a) interlobar b) interlobular c) arcuate d) renal
Which foot bone transmits the weight of the body from the tibia toward the toes?
A) calcaneus B) navicular C) cuboid D) talus E) medial cuneiform