Immune System
What is the first line of defense in the immune System?
skin
These are small masses of tissue that remove pathogens and dead cells. A lot are found near groins, armpits and neck.
Lymph Nodes
What is the product of the urinary system?
urine
By which chemical reaction does nitrogenous waste produced?
Cellular respiration
What is the equation for cellular respiration?
Glucose + Oxygen --> Carbon dioxide + Water + Energy
What white blood cells mask themselves as antigens?
B-Lymphocytes
Name the 4 main lymphatic organs
bone marrow, spleen, thymus gland and tonsils
What are the filtering units of the kidneys?
Nephrons
If there is not enough glucose for cellular respiration, what is used instead to make energy?
protein
What is waste generated from protein metabolism called? Also give at least one example.
Nitrogenous waste
Examples: urea, uric acid, ammonia, creatinine
WBCs do what to consume invading cells?
A fluid derived from blood, and collected by the lymphatic system.
Lymph
The 4 main parts of the urinary system are...
urethra, bladder, kidneys, ureters
Which substance is excreted from the lungs?
Carbon Dioxide (CO2)
What name is given to the process by which WBCs leave the circulatory system?
Diapedesis
Where STEM cells are produced
Bone Marrow
This is a lymphatic organ found in the thoracic cavity (near lung area).
thymus gland
The scientific word for keeping your body in balance is...
Homeostasis
How does sweating maintain homeostasis (3 ways)?
By removing excess water, minerals and nitrogenous wastes
Name one urinary disorder and give its main cause
Various answers possible
This type of immunity is acquired from exposure to an antigen (two terms)
Natural and Specific
By what process does the interstitial fluid re-enter the lymphatic capillaries?
By pressure differences
What happens to the blood and urine volumes where you are dehydrated?
Blood volume decreases, urine volume decreases
What are the 3 major organs of the excretory system, and what do they excrete?
Skin (sweat)
Lungs (CO2)
Kidneys (urea)
Through which blood vessel does blood leave the kidney?
Renal vein