Cardiology and Hygiene
The body's largest artery
aorta
skin
The largest bone in the leg and the longest bone in the body
femur
The two largest and strongest muscles in the body
gluteus maximus
The skin's outer layer which contains very few pain receptors and no blood vessels
epidermis
The two thin-walled upper chambers of the heart
Atria
The study of the structure, functions, disorders, and diseases of the respiratory system
pneumology
The strong bands of connective tissue that join bones together
ligaments
The muscles that allow you to bed your arms at the elbow
biceps brachii
Exercises that involve little or no outward movement
isometric exercises
The body's largest veins
venae cavae
The fatty layer of loose connective tissue that attaches the skin to muscle and bone
hypodermis
The type of joint that allows the widest range of motion
ball-and-socket joint
Muscles that decrease the angle between the bones of a joint
flexors
The enlargement of muscles through use
hypertrophy
A dark-colored pigment in the epidermis that is largely responsible for skin coloring
melanin
The muscle that separates the thoracic and abdominal cavities and functions in respiration
diaphragm
The movement that describes most joints in the body
freely movable
The oily secretion which moisturizes the skin and helps keep it soft and flexible
sebum
The ability of a muscle to extend easily through its full range of motion
flexibility
The movement of blood through all parts of the body except the lungs
systemic circulation
The condition in which a stable internal environment is maintained by the body
homeostasis
The type of joint that allows only a rotating movement
pivot joint
The muscles that allow you to raise your arms out to the side
deltoid muscles
Nerve endings in the dermis that serve as a means of communication between your body and the outside world
sensory receptors