This system provides structure and support for the body.
Skeletal system
These muscles are attached to bones and help movement occur.
Skeletal Muscles
This organ pumps blood around the body.
The heart
This muscle is mainly responsible for breathing.
Diaphragm
This energy system is used for short, explosive activities lasting up to 10 seconds.
ATP-PCr System
These connect bone to bone.
Ligaments
The muscle action where the muscle shortens.
Concentric Contraction
These blood vessels carry blood away from the heart.
The arteries
Gas exchange occurs in these tiny air sacs.
Alveoli
This energy system produces lactic acid.
Anaerobic Glycolysis System
The place where two bones meet.
A joint
The opposite muscle that relaxes while another contracts.
Antagonist
The oxygen-carrying protein found in red blood cells.
Haemoglobin
This gas moves from the blood into the alveoli to be exhaled.
Carbon Dioxide
This energy system requires oxygen
Aerobic system
This type of joint is found in the shoulder and hip.
Ball and socket joint
This muscle is the prime mover during a bicep curl upward phase.
Biceps Brachii
The oxygen-carrying protein found in red blood cells.
Cardiac Output
The process of moving air into and out of the lungs.
Ventilation
A marathon runner mainly uses this energy system.
Aerobic energy system
The main function of cartilage is to do this for joints.
Reduce friction/cushion joints
This type of contraction occurs when the muscle lengthens under tension.
Eccentric Contraction
The formula for cardiac output.
HR X SV
During exercise, this happens to breathing rate and tidal volume.
They both increase
The immediate energy source for muscle contraction.
ATP