Body Systems Practice Test Flashcards

Vocabulary flashcards for the Body Systems Practice Test.

Calcaneus

The anatomical name for the Heel.

Superior Vena Cava

Part of the cardiovascular system that brings deoxygenated blood back to the heart.

Stroke Volume

The amount of blood ejected by the left ventricle.

Abduction

Taking your arm away from your body; movement away from the midline.

Vasodilation

One way the body cools itself down during exercise through thermoregulation; widening of blood vessels.

Fast Twitch Muscle Fibers

Muscle fibers used by sprinters; contract rapidly with great force but fatigue easily.

Cardiovascular system functions

Circulates blood, brings O2, water & nutrients to cells, removes CO2 & wastes, maintains body temperature & hydration, fights disease, and enables blood clotting.

Agonist

The prime mover muscle used to perform a movement (e.g., Hamstring in a hamstring curl).

Antagonist

The opposing muscle that allows movement to occur (e.g., Quadricep in a hamstring curl).

Isoinertial Concentric Contraction

The type of muscular contraction where the muscle shortens as weight is lifted (e.g., Hamstring when weight is raised).

Isoinertial Eccentric Contraction

The type of muscular contraction where the muscle lengthens as weight is lowered (e.g., Quadricep when weight is raised).

Flexion

The anatomical movement at the knee when the weight is raised during a hamstring curl.

Extension

The anatomical movement at the knee when the weight is lowered during a hamstring curl.

Red Blood Cells

Carries oxygen.

Platelets

Responsible for blood clotting.

White Blood Cells

Fights infection.