T lymphocytes are formed in your lymphatic tissue and in what organ located in your chest?

During the alarm stage of the general adaptation syndrome:

a) the central and somatic systems are activated. b) synaptic activity and the somatic nervous system activate to send messages from the CNS to muscles. c) the sympathetic nervous system is activated and adrenal glands release hormones. d) neurotransmitter levels and the central nervous system are activated.

Upon seeing a stranger, an infant shows distress and glances towards her father. Her father

smiles and the infant then smiles at the stranger. This exchange is commonly referred to as: A) attachment. B) emotional reactivity. C) social comparison. D) social referencing.