Electricity and Electrolytes in the Human Body
Electricity and Electrolytes in the Human Body
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- When the nervous system sends "signals" to the brain, an electrical charge jumps from one cell to the next until it reaches its destination.
- What is the sinoatrial node
- Resting cells in the body have more potassium ions inside than sodium ions. Potassium ions have a negative charge so the inside of a resting cell has a slightly __________ charge.
- Most elements have a different number of electrons as they do protons.
- In 2007, scientists at Rensselaer Polytechnic Institute claimed to create a battery that uses the electrolytes naturally found in bodily fluids.
- The surface of the Earth has an electrical charge which is _____________.
- Electrons from antioxidant molecules can neutralize harmful free radicals in the body
- Being in contact with the Earth's surface electrons by walking barefoot outside is known as
- The human sinoatrial node (SAN) regulates our heartbeat. This natural pacemaker is hardwired with a backup system.
- _________________ are substances that become ions in solution and acquire the capacity to conduct electricity in the human body.
- What type of electrolyte acts as a buffer to maintain the normal levels of acidity (pH) in blood and other fluids in the body?
- A critical part of neuron transmission, ______________ keeps all electrolytes in balance and allows conductivity between cells.
- An essential electrolyte that is responsible for controlling the total amount of water in the body.
- Critical negatively-charged electrolyte for maintaining proper acidity in the body
- Which is not an electrolyte?
- All elements we take into our bodies, like oxygen, sodium, potassium, calcium, and magnesium, have a specific electrical charge.
- Electrical energy signals in the body.
- The human heart is a source of _____________ that, even at a few meters away, is detectable by modern scientific instruments.
- A nerve impulse is a wave of electrical activity that passes from one end of nerve cell to another. Each impulse is the same size. What carries the information about the intensity of the nerve signal.
- Electromagnetic waves can travel not only through air and solid materials, but also through space.
- The study of the interaction between electromagnetic fields and biological entities.
- The phenomenon of magnetic fields produced by living organisms
- The study of the electrical properties of biological cells and tissues
- An electric eel can produce about 600 - 800 volts for a 2 millisecond shock. A human body can generate
- All of the molecules and elements in our bodies have the potential to create electrical impulses.
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