The Skeletal System
This type of joint, found in the elbow and knee, allows movement in one plane only.
Hinge
This type of muscle contraction occurs when the muscle shortens.
Concentric.
This blood vessel carries oxygenated blood away from the heart.
Arteries
This muscle contracts and flattens during inhalation.
Diaphragm
The movement that decreases the angle at a joint.
Flexion.
The cranium protects this vital organ.
The Brain.
The biceps acts as this type of muscle when the elbow bends.
Agonist.
The chamber of the heart with the thickest muscular wall.
Left Ventricle
The tiny air sacs in the lungs where gas exchange takes place.
Alveoli
The anatomical term for pointing the toes downward.
Plantar Flexion.
Which two bones make up the lower leg?
Tibia and Fibula.
This muscle group is located at the back of the upper arm.
Triceps.
This is the volume of blood pumped out of the heart per beat.
Stroke Volume.
The tubes that carry air into the lungs from the trachea.
Bronchi
This plane divides the body into left and right halves.
Sagittal.
This joint type, found at the shoulder and hip, allows the greatest range of movement.
Ball and socket.
The point where a muscle attaches to the stationary bone.
Origin
Tiny blood vessels where gas exchange occurs.
Capillaries
The process by which oxygen moves from alveoli into the blood.
Diffusion.
Rotation around a longitudinal axis occurs in this plane.
Transverse.
The scientific name for the collarbone.
Clavicle.
What type of muscle is the heart?
Cardiac.
The formula for cardiac output.
Heart Rate X Stroke Volume.
The term for the maximum amount of air that can be exhaled after a maximal inhalation.
Vital Capacity.
The axis that runs from head to toe.
Longitudinal.