Question

Your heart is an organ made up of ?

cardiac muscle

blood tissue

nerve tissue

all of the above

Answer 1

cardiac muscle

Answer 2

first one

Answer 3

The answer is pretty obvious isnt it
why will it be nerve or blood?
it can only be cardiac ... "cardiovascular system"＜　the heart system

Answer 4

thanks so much for the help ^-^

Answer 5

So... do you think the heart is both nerve- and blood-free?

Answer 6

anytime

Answer 7

it was all above

Answer 8

it was all above
Your heart is an organ made up of cardiac muscle, blood tissue, nerve tissue

Answer 9

I would have to agree with all of them

Answer 10

am i right schoolslacker?

Answer 11

Guys please tell why your getting this

Answer 12

Yes Zhang you are correct