(2)2nd Q Flashcards
Maintains a cell’s biological balance
Homestasis
Body breaks down excess amino acids and releases ammonia
Urine
A less toxic compound where body makes ammonia
Urea
Infectious agents that causes disease
Pathogens
Guards the body fluids of most animals
Immune cells
First line of defense
Skin
Contains enzymes
Mucus, saliva and tears
If pathogens manages to get through this defense will activate
Innate immunity
Where 2nd defense system is found. Also known as adaptive immunity
Vertebrates
Chemical signaling using hormones. Basic system for communication and regulation
Endocrine system
Regulates reproduction, development, metabolism, growth, and behavior
Endocrine cells
Prepares organs for stress
Adrenal glands
Major system of nervous system. Transmits signal
Neurons
Speeds your heart rate to prepare your body to run from danger
Epinephrine
A bundle of long fibers running parallel to the lenght of your muscles
Striated muscles