Before fusion of the sacrum and coccyx, most children have 33 separate bones in the vertebral column.
Answer the following statement true (T) or false (F)
True
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________ T cells are responsible for a part of the adaptive immune response known as cell-mediated immunity.
A. Helper B. Memory C. Regulatory D. Cytotoxic
Obligatory diet-induced thermogenesis activity
a. results from an increase in metabolic activity associated with processes occurring in the gut. b. is the increase in heat production that occurs after a meal c. has historically been studied in endotherms. d. is affected by the amount of food an animal consumes. e. all of these.
Gas exchange starts to occur at the ______ bronchioles.
Fill in the blank(s) with the appropriate word(s).
In the brain, the ________ is the integration and command center for autonomic functions.
A. brainstem B. hypothalamus C. spinal cord D. medulla E. cerebral cortex