Human Circulatory System Flashcards
Closed network of organs and blood vessels, its overall purpose is to maintain homeostasis
Human Circulatory System
The ability of a system to maintain balance or a constant internal environment such as proper body temperature, amount of water in the body and pH level in spite of the environment
Homeostasis
A hollow muscular organ that pumps blood through blood vessels by repeated rhythmic contractions
Heart
Its role is to transports blood containing the nutrients, oxygen, carbon dioxide, hormones, and other waste materials
Ta or Transports
Its role is to maintains proper body temperature - thermoregulation
Ma or Maintains
Its role is to protects the body against infections
Pa or Protects
Its role is to balance the amount of fluids in the body
Ba or Balance
Outer protective layer of the heart
Epicardium
Muscular middle layer of the heart and the thickest layer
Myocardium
Thin inner layer of the heart
Endocardium
The two chambers of the heart
Upper Chamber and Lower Chamber
The upper chambers of the heart are called
Atrium or Atria
Receive blood flowing back to the heart
Atrium or Atria
Receives the majority of the blood going back to the heart
Right Atria
The lower chambers of the heart are called
Ventricle
