Answer:
An arterie is a vessel that carries blood away from the heart, and a vein carries blood to the heart
Explanation:
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Answer:
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period.
I did this one at school and the answer was: produces water
Answer:
When there is an increase in potassium within the cell, depolarization is generated
Explanation:
Depolarization is the intracellular increase of potassium in the cardiac cell, this is how the resting potential is reached, this state of the cell refers to the fact that the cell does not execute or transmit any signal, it is in a refractory state of signals, since it does not capture any, this is how it prepares and recovers for future action potential.
