Warming a capillary bed to 42° C has which of the following effects? 1. It constricts the underlying blood vessels. 2. It increases blood flow well above tissue needs. 3. It “arterializes” the capillary blood. a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3