The SA node sends out regular electrical impulses from the top chamber )the atrium) causing it to contract and pump blood into the bottom chamber (the ventricle).
Explanation:
Physiology is the study of animal (including human) function and can be investigated at the level of cells, tissues, organ systems and the whole body. The underlying goal is to explain the fundamental mechanisms that operate in a living organism and how they interact.
a person who is professionally qualified to prepare and dispense medicinal drugs.
The possible effects of fetal alcohol syndrome is premature birth, low birth weight, facial deformities, limb deformities,kidney problems, growth development, jitteriness, mood instability, difficulty in school, behavioral issues, vision issues, poor brain development, learning disabilities.