Circulatory System And Nervous System Flashcards
Circulatory system
Transports oxygen throughout the body while removing CO2. Transports nutrients provided by digestive system and clears away waste by transporting it to excretory system
Heart
4 chamber pump. 2 collecting chambers called atria. 2 pumping chambers called ventricles
Right Atrium
Deoxygenated. Receives deoxygenated blood from venae cavae, two largest veins in body
Right ventricle
Deoxygenated. Pumps blood to pulmonary artery where it picks up oxygen throughly pulmonary vein and goes to left atrium
Left Atrium
Oxygenated.
Left ventricle
Oxygenated. Pumps blood to body’s largest artery the aorta into smaller branching arteries
Arteries
Carry blood from the heart to the tissues of the body. Thick walled, carry oxygenated blood at high pressure
Veins
Carry blood back to heart from rest of body. Thin walled, low pressure, deoxygenated
Capillaries
Thin walled vessels, permit exchange of oxygen and carbon dioxide between cells through diffusion.
Hypertension
High blood pressure, can cause damage to blood vessels and other body parts like kidneys. Avoided by limiting salt intake, maintaining weight
Blood
Cells suspended in plasma. Made up of red blood cells which carry oxygen, white blood cells which fight infection, and platelets which are cell fragments that allow blood to clot. All created in blood marrow
Blood types
A, B, AB, O, + or -. Letter is determined by types of molecules found outside the red blood cells.
Rh factor
Positive or negative. Negative can’t receive positive, positive can receive negative
Type O
Universal donor, can be given to anyone
Type AB
Universal recipient, can receive any other type
