a. pericardium
b. endocardium
c. myocardium
d. sinatrial node
2007-10-30 17:35:10 · 7 answers · asked by creampuff 1 in Science & Mathematics ➔ Biology
the answer is B. (endo- means inner)
the pericardium is the membranous sac in which the heart hangs from.
the myocardium is also known as the heart muscle.
-you have misspelled answer d. it is called the sinoatrial node and this is where the impulse of a heartbeat starts.
hope this helps.
2007-10-30 17:55:38 · answer #1 · answered by Common Sense 2 · 0⤊ 0⤋
Ok, it's time to crack open the textbook and find the answers yourself.
2007-10-30 17:38:02 · answer #2 · answered by Brandon W 5 · 0⤊ 0⤋
a
2007-10-30 17:37:59 · answer #3 · answered by Sparkles 7 · 0⤊ 0⤋
pericardium
2007-10-30 17:45:50 · answer #4 · answered by ebonyruffles 6 · 0⤊ 0⤋
endocardium
2007-10-30 17:37:38 · answer #5 · answered by Anonymous · 1⤊ 1⤋
i'm sure it is either a , b , c, or d
2007-10-30 17:39:43 · answer #6 · answered by Math 2 · 0⤊ 1⤋
c?
2007-10-30 17:37:21 · answer #7 · answered by kagome in blue 3 · 0⤊ 1⤋