The function of the chordae tendineae and papillary muscles is to hold the AV valves wide open during diastole to ensure complete ventricular filling
Indicate whether the statement is true or false
F
You might also like to view...
Most nerves are motor nerves.
Answer the following statement true (T) or false (F)
Which type of tissue is made of cells closely packed together with very little intercellular material?
a. epithelial b. muscle c. nervous d. connective
Which of the following is true of ubiquitins?
A)Ubiquitin allows cells that are stressed or starving to be recycled. B)Ubiquitin rids the body of cells that are programmed to have a limited life span. C)Ubiquitins dispose of large cytoplasmic structures and protein aggregates. D)Ubiquitins allow cells to dispose of proteins that are only used temporarily as in proteins that help the cell divide.
For maximum loading of hemoglobin with oxygen at the lungs, the
A) PCO2 should be high. B) pH should be slightly acidic. C) PO2 should be about 70 mm Hg. D) BPG levels in the red blood cells should be high. E) PO2 should be as high as possible.