Respiratory
The respiratory system exchanges _____ and _____
What is O2 and CO2?
two smaller chambers in the heart
what are left and right atria?
3 types of blood vessels found in the body
What are veins, arteries, and capillaries?
how many liters of blood does the adult human body contain?
What is approximately 5 liters?
the job of this body system is to clean and return fluid to the circulatory system
what is the lymphatic system?
Part of the brain that regulates breathing
What is the brain stem?
two larger chambers in the heart
What are left and right ventricles?
_____ carry blood to the heart; _____ carry blood away from the heart; _____ carry materials to and from cells
What is veins/arteries/capillaries?
The 4 main components of blood
what are RBCs/WBCs/platelets/plasma?
structure found in lymphatic vessels to prevent backflow of fluid
What are valves?
tiny air sacs in the lungs where gas exchange occurs
What are alveoli?
causes the atria to contract; another name for SA node
What is the pacemaker?
force of blood on the walls of an artery
What is blood pressure?
component of blood; makes up more than half of whole blood
What is plasma?
term for the fluid that leaks from capillaries and found in the space between cells
what is interstitial fluid?
disease in which alveoli are destroyed
what is emphysema?
Type of blood found in a pulmonary artery
What is oxygen-poor blood?
narrowing of artery walls: ______ as stiffening of the artery walls: _____
what is atherosclerosis/arteriosclerosis?
name for a protein marker found on the surface of RBCs
what is an antigen?
type of WBC or the lymphatic system; can be found in lymph nodes
what is a lymphocyte?
Describe what happens to pressure and volume when the diaphragm contracts
what is volume increases; pressure decreases?
What is pulmonary/systemic circulation?
Two physiological differences between arteries and veins
what is veins = larger diameter, less thick smooth muscle, valves / arteries = smaller diameter, thicker?
A person with type B blood can give to_____ and receive from _____
What is give to B, AB; receive from B, O
three structures of the lymphatic system; which one is responsible for developing lymphocytes?
what are the tonsils, thymus, spleen / thymus?