Ch 6 Key Terms Flashcards
anatomy
the study of human and animal structures, including gross anatomy (structures that can be seen with the unaided eye) and microscopic anatomy (structures visible only through a microscope).
body system
a group of organs and other structures that work together to perform specific functions.
cell
the basic unit of all living tissue.
circulatory system
a group of organs and other structures that transport blood and other nutrients throughout the body.
endocrine system
a group of organs and other structures that produce chemical substances that act as messages throughout the body.
gastrointestinal system
a group of organs and other structures that break down food and absorb nutrients into the body.
integumentary system
a group of specialized tissues that protect the body, retain fluids, and help prevent infection; the skin.
lymphatic system
a group of organs and other structures that remove extra fluid from tissues, absorbs and transports fats from the circulatory system, and transports immune cells to and from the lymph nodes.
muscular system
a group of specialized tissues that allow movement of the body, movement within the organs of the digestive system, and the beating of the heart.
nervous system
a group of organs and other structures that regulate all body functions.
organ
a structure containing similar tissues that act together to perform specific body functions.
physiology
the study of how living organisms function (e.g., movement or reproduction).
reproductive system
a group of organs and other structures responsible for human reproduction.
respiratory system
a group of organs and other structures that bring oxygen in the air into the body and eliminate carbon dioxide into the air through a process called breathing or respiration.
skeletal system
a group of specialized tissues that provide support to the body, provide attachment points for muscles, protect internal organs, allow movement, store minerals, and constitute one of the sites where blood cells are made; the bones.
