Answer to Question 1
A
Acquired immunity is the formation of antibodies that prepare the body for future invasion by antigens that the body has already encountered (e.g., viruses, toxins, lethal bacteria).
Answer to Question 2
A
Communication is sending and receiving a message. Communication consists of a sender, the person who initiates an idea, thought, or emotion that he or she wants to relate to another person; a message, the thought, idea, or emotion the sender wishes to send to another person; a channel, the means through which the sender sends a message, including auditory channels (speaking, hearing, listening), visual channels (verbal or nonverbal), and kinesthetic channels (touch, sensation); a receiver, a person who accepts the message from the sender using physiologic, psychological, and cognitive components; feedback, the verification or response from the receiver to the sender about the message; and influences, factors that affect both the sender and the receiver, including education, culture, emotions, perceptions, and the situation in which the communication process occurs.
Body plan of an arthropod, as represented by a grasshopper
Brain mass as a function of body mass in mammals.
The Processes of Synaptic Pruning
Body Part, Method of Examination, and Equipment Used During the General Physical Examination Cont.
Immunogenicity of Different Types of Antigens
Western blot patterns for different Borrelia antigens: (a) IgG Western and (b) IgM Western.