________ in peripheral tissues remove cellular debris and respond to invasion by foreign compounds or pathogens

Water distribution grids that deliver water to individual customers consist of which of the following?

a. Primary feeder mains b. Secondary feeder mains c. Distributor pipes d. All of the above

Common complications of ECMO include which of the following? 1. Seizures 2. Bleeding 3. Arrhythmias 4. Neurologic complications

a. 1 and 3 only b. 1, 2, and 3 only c. 2 and 4 only d. 1, 2, 3, and 4