what are nodes of the heart
sinoatrial (SA) node and atrioventricular (AV) node
genetic disorders of the heart
Atrial Septal Defect.
Atrioventricular Septal Defect.
Coarctation of the Aorta.
D-Transposition of the Great Arteries.
Hypoplastic Left Heart Syndrome.
Pulmonary Atresia.
Tetralogy of Fallot.
Total Anomalous Pulmonary Venous Return
types of hormones
-Peptide Hormones
-Steroid Hormones
-Amino Acid Derivative Hormones
Leukocyte types
neutrophils, eosinophils, basophils, monocytes, lymphocytes
secondary hypertension
high blood pressure caused by the effects of another disease
edema
swelling caused by excess fluid in the body tissues
lymphoid organs
-Consist of lymph nodes, spleen, appendix, adenoids, thymus, tonsils, and small patches of tissue in
the small intestines.
Lymph Nodes: Located at intervals through the lymph vessel system. Contains lymphocytes and
plasma cells.
Spleen: Filters blood, stores of RBC and macrophages.
Thymus: Secrets hormones. Major site of lymphocyte production.
adaptive defense system
Third line of defense attacks particular foreign substances
Takes longer to react than innate system
Cells of the immune system include:
-Leukocytes
-Lymphocytes
-T-cells
-B-cells
-Natural killer cells