Chondroblasts ________.
A) are mature cartilage cells located in spaces called lacunae
B) within the cartilage divide and secrete new matrix
C) located deep to the perichondrium divide and secrete new matrix on the internal portions of the cartilage
D) never lose their ability to divide
B) within the cartilage divide and secrete new matrix
You might also like to view...
What structure traverses the opening indicated by the arrow in the following figure?
A) esophagus B) inferior vena cava C) aorta D) psoas major E) quadratus lumborum
Amniotic fluid
A. provides nutrients to the fetus from the maternal part of the placenta. B. protects the embryo against being jarred by movements. C. absorbs wastes the fetus excretes. D. stores nutrients for the fetus.
Which of the following is not true of the respiratory pump?
A. Contraction of the diaphragm causes an increase in the volume of the thoracic cavity, and a decrease in pressure. B. It is a mechanism that helps with venous return to the heart. C. More blood enters the heart during expiration than inspiration. D. Increased venous return to the heart causes the heart rate to increase. E. All of these are true of the respiratory pump.
This figure shows the muscles of facial expression. What muscle does number 2 indicate?
A. Platysma B. Epicranius C. Nasalis D. Procerus E. Orbicularis oculi