Answer:
Explanation:Mucus membrane
Natural antibiotic(s)
Immune system
White blood cells
Leukocytes
Lymphatic system
Antigen
Phagocyte
Lymphocyte
T-cells
B-cells
Antibody/antibodies
Fever
Communicable disease
Infection
Pathogen
Skin ( as a protective barrier)
vaccine/vaccination
Stomach
First line of defense
Second line of defense
Third line of defense
Answer: alternative D.
Explanation: The animals that go through this process understand that everytime they drink the unusual-tasting liquid they will be injected, being that a very unpleasant series of events. They are conditioned, therefore, to be afraid of the unpleasantness of this process by associating pain to the actions that are part of it.
Answer:
false
Explanation:
obviously flase some pay fr medicaid and or other insurances
Correct answer choice is:
A.
Low frequency
.
____________________________________________________________
Explanation:
Place theory is a theory of hearing which declares that our judgment of sound depends on where each element frequency generates oscillations along the basilar layer. According to the frequency theory, the pulse rate of the nerve vibrations of the hearing nerve communicates to the rate of a pitch, which enables us to identify its pitch. The complete basilar layer is stimulated by sound waves at various frequencies.
Answer:
Ignorance on the types on substances to take
peer pressure
inadequate attention to the learners by school authorities
