B cells are responsible for __________ immunity cell mediated antibody mediated Inflammation: decreases phagocytosis contracts blood vessels makes blood vessels more permeable all of the above Antigen presenting cells (APC’s): include macrophages and dentritic cells bind foreign antigen to their surface interact with lymphocytes all of the above Essential amino acids: can be synthesized by the human body must be included in a healthy diet The respiratory organs in an insect are the gills lungs tracheae stomata Which of the following is true? High levels of LDL’s in the blood correlate with a higher r Eating a diet rich in trans fat and saturated fat increases cardiovascular disease. Eating a diet rich in unsaturated fats such as found in decreases the risk of cardiovascular disease. All the above are true.