heart racing internal or external
External
external
can some one write the reason for why external or internal?
internal
internal fertilization
an external would be a pouch and a internal would be athe heart
The external is the outside of your body, like the skin. The internal is the inside where all of your organs and your heart are.
internal external not internal external not
its internal
It's generally a tear in the dividing wall of the ventricles of the heart (internal rather than external)
Is a salmon internal or external?
External
What is internal and external sources?
internal
external
External. Internal devices would be something like a CD Drive, while an external device is a keyboard or mouse for example.
is a bluegill fish internal or external