When the heart contracts, called systole, blood pressure increases. When the heart relaxes, called diastole, blood pressure decreases. Systole phase or contraction is started by the electrical cells of the sinoatrial node. The diastole phase is the period when the heart relaxes after contraction.<span> </span>
Answer:
B
Explanation:
SSRI stands for Selective Serotonin Reuptake Inhibitor. SSRI antidepressants are a type of antidepressant that work by increasing levels of serotonin within the brain.
I believe the answer is c. through science, stem cells are un differentiated cells that can be used to heal diseases all through the human body, similar to a discovery channel episode with a rat, treated with stem cells to form a human ear on the main part of its body.
Answer:
This is the answer of your question.
Answer:
answer is A. a hypothosis is a if, then statement.
Explanation: