The heart is enclosed in a double-walled membranous sac called___.
()
A: the myometrium
B: the peritoneum
C: the epicardium
D: the periosteum
E: the pericardium
()
A: the myometrium
B: the peritoneum
C: the epicardium
D: the periosteum
E: the pericardium
举一反三
- The membranous sac enclosing the heart is called _____
- The sac which surrounds the heart is known as the A: myocardium B: pericardium C: mininges D: cardiac apex
- The __________ is the sac around the heart. A: endocardium B: myocardium C: pericardium D: incaidium
- The __________ is the sac around the heart. A: endocardium B: myocardium C: pericardium D: intracardium
- The chloroplast<br/>internal membrane is organized into flattened membranous sacs called<br/>_________; they, in turn, are arranged in orderly stacks called<br/>_______ that contain energy-transducing machinery. ( ) A: thylakoids, grana B: grana, thylakoids C: thylakoids, stroma thylakoids D: thylakoids, grana thylakoids