anatomy quiz just gotta get above a 15 but tbh i wanna drop out

Muscle Contraction

Requires large amounts of energy; energy that is not used is stored in creatine to be used later.

ATP

Adenosine triphosphate; energy used to power muscle movements.

Creatine

A small molecule muscle cells assemble from amino acids; energy is transferred from ATP to creatine.

Creatine Phosphate

A high energy compound that stores energy and is created from the transfer of energy from ATP.

Creatine Phosphokinase

An enzyme that regulates the reaction between ADP and ATP.

Glycolysis

The process that converts glucose into pyruvate.

Glycogen

A series of glucose molecules that serve as a form of energy storage.

Anaerobic Glycolysis

A process that converts glucose to pyruvate when peak levels of activity exceed the ATP production capacity of mitochondria.

Lactic Acid

Created when pyruvate levels rise, which lowers the pH in cells, potentially stopping muscle contraction.

Muscle Fatigue

Occurs when muscles are overworked, caused by exhaustion of energy reserves or a decline in pH due to excess lactic acid.

Recovery Period

In the presence of oxygen, ATP can be generated by aerobic respiration; oxygen debt requires additional oxygen to replenish energy levels.

Body Temperature Maintenance

Muscle contractions generate heat, while increased blood flow to the skin promotes heat loss; shivering and sweating help regulate temperature.

Force

The maximum amount of tension produced by a particular muscle during an activity.

Endurance

How long an activity can be sustained.

Fast Fibers

Used for quick and powerful movements, suitable for sprints.

Slow Fibers

Used for long-lasting and slow movements; specialized for improved oxygen availability.

White Muscles

Contain fast fibers and primarily utilize anaerobic processes for ATP generation.

Red Muscles

Contain slow fibers and primarily utilize aerobic processes for ATP generation.

Aerobic Endurance

Low intensity exercises, such as walking, using the citric acid cycle, producing more oxygen and ATP.

Anaerobic Endurance

High intensity exercises, such as sprinting, utilizing glycolysis for energy production.

Hypertrophy

The enlargement of stimulated muscles.