Vocabulary

• out of energy: Having no energy; exhausted.
• account for: To explain the cause or reason for something
• on the inside: Having a position of authority or influence within an organization or system.
• on the muscle: Obtained or done by force or intimidation.
• in charge: To be responsible for
• used to: Did regularly before, but don't do now
• used up: To use all of; consume
• use up: To use all of; consume
• crucial: Extremely important or necessary
• potential: Capable of happening or becoming reality
• fatigue: Breaking due to being moved or bent many times
• properly: In an appropriate or correct manner
• physical: Health check at the doctors' or hospital
• effort: Amount of work used trying to do something
• improve: To make, or become, something better
• immediately: Without any delay; straight away
• capacity: Ability to hold, involve or contain (e.g. liquids)
• separate: Being different from or unrelated to another
• molecule: Two or more atoms chemically combined
• ability: The power, resources or skill to do something
• blame: To say someone is responsible for something bad
• contract: To become ill as a result of getting a disease
• stimulate: To arouse or excite emotionally
• intensity: Great energy, strength, or concentration
• exercise: To work out to become stronger and healthier
• maintain: To keep saying something a certain way
• effectively: In a way that produces the desired result
• tiny: Very, very small
• fraction: Small part of something
• brain: To strike someone forcefully on the head
• response: Something said/written as an answer to something
• charge: To run quickly toward someone to attack them
• indicate: To show something; direct attention to; point out
• release: To free someone from a responsibility or burden
• account: An advantage
• neuron: A nerve cell
• create: To make, cause, or bring into existence
• replenish: To fill up again
• contraction: Process of becoming smaller in length/size
• drift: (Of sand, etc.) to be blown into heaps by the wind
• calcium: A substance important for making bones and teeth
• bury: To put something into the ground and cover it
• neurotransmitter: Chemical released by nerves that boost signals within the body
• normal: Standard or regular way of doing something
• sodium: A soft, white chemical element
• regularly: At the usual time each day, week, or month
• leave: To go away from; depart
• membrane: Outside covering of a cell
• flood: To quickly appear unexpectedly and in volume
• active: Moving around a lot or doing many things
• fitness: Good physical condition; being in shape
• pull: Act of breathing in smoke, as from a pipe
• pump: To make liquid or gas flow in a particular direction
• grow: To get bigger and more mature; make plants do this
• potassium: A common, soft, silvery white metal with many uses
• depletion: Reducing the amount, strength or number of
• repeatedly: (Said, done) many times; over and over
• acidic: Containing acid
• group: Two or more musicians who play music together
• side: To decide to agree with one point, not the other
• clear: Empty; without anything in it or on it
• deplete: To reduce the amount, strength or number of
• afterward: Happening after something else happened
• plentiful: Existing in large amounts or numbers
• unable: Not being able to do something
• flux: A state of flow and change
• reset: To return to the original start or formation
• ion: Atoms with either a positive or negative charge