Chapter 7 Body Structure And Function Flashcards
Artery
A blood vessel that carries blood away from the heart
capillary
A tiny blood vessel; food, oxygen, and other substances pass from the capillaries into the cells
Cell
The basic unit of body structure
Digestion
The process that breaks down food physically and chemically so it can be absorbed and used by cells
Hemoglobin
The substance in red blood cells that carries oxygen and gives blood its red color
Hormone
A chemical substance secreted by the endocrine glands into the bloodstream
Immunity
Protection against a disease or condition; the person will not get or be affected by the disease
Joint
The point at which two or more bones meat to allow movement
menstruation
The process in which the lining of the uterus (endometrium) breaks up and his discharge from the body through the vagina
Organ
Groups of tissue with the same function
peristalsis
Involuntary muscle contractions in the digestive system that moves food down the esophagus through the alimentary canal
Respiration
The process of supplying the cells with oxygen and removing carbon dioxide from them
Tissue
A group of cells with similar functions
Vein
A blood vessel that returns blood to the heart