Witch is an' embryonic germ layer that gives rise to the muscular skeletal circulatory systems of a human?

a) epidermis
b) endoderm
c) ectoderm
d) mesoderm
e) none of the above

49 points to whoever gets it

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

If a robot fixed another robot is it a engineer or doctor?

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.