The system responsible for taking oxygen into the body and removing carbon dioxide
Respiratory system
A tough fibrous tissue that connects a muscle to a bone
Tendon
The two upper chambers of the heart
Atria
The medical term for the collarbone.
Clavicle
The system that breaks down food and absorbs nutrients
Digestive system
The bony structure that surrounds and protects the brain.
Skull / Cranium
The two lower chambers of the heart that pump blood into the arteries.
Ventricles
The medical term for the gums.
Gingiva
The system that controls body activities and carries sensory and motor impulses.
Nervous system
A tough membrane that covers most of the surface of a bone.
Periosteum
The phase of the cardiac cycle when the heart contracts and pumps blood.
Systole
The hardened deposit that forms on teeth and is commonly called tartar.
Dental calculus
The system that transports blood, oxygen, nutrients and hormones around the body.
Cardiovascular system
A strong band of connective tissue that connects bones and helps stabilize joints.
Ligament
Diastole
The phase of the cardiac cycle when the heart relaxes and fills with blood.
A medical condition caused by a disruption of blood flow to the brain; commonly called a stroke.
Cerebrovascular accident (CVA)