| A | B |
| Infancy | Period between birth and one year |
| Growth | The increase in a baby's size and weight |
| Development | Increases in physical, cognitive, emotional and social skills |
| Head to foot | Babies develop control od the head and neck muscles first, control of muscles move down baby to end with legs and feet |
| Near to far | Development begins at the trunk of the body abd moves outward to hands and fingers |
| Simple to complex | Large muscle development takes place first leading to more fine muscle and complex abilities later |
| Weight | The amount of body mass a baby has; the infant gains one to two pounds per month in the first six months |
| Length | The number of inches tall an infant measures lying down |
| Body Shape | The description of how an infant looks |
| Proportion | The size relationships of one body part to another |
| Vision | The ability to see, which for infants is blurry at birth but within a week or so, the infant is aware of surroundings |
| Hearing | The perception of sound made possible by vibratory changes in air pressure on ear drums |
| Touch | To put part of a body, especially the fingertips, in contact with something so as to feel it |
| Smell | To detect or recognize something by means of sensitive nerves in the nose |
| Taste | A small quantity of something eaten, drunk, sampled, to assess its effect on the sensory receptors on the surface of the tongue |
| Voice | The sound produced by using the vocal organs, especially the sounds used in speech |
| Reflexes | Occurring automatically and involuntarily as a result of the nervous system's reaction to a stimulus |
| Gross Motor Skills | Activities involving the large muscles or motor skills |
| Fine Motor Skills | Activities involving the fingers and small motor skills |
| Grasping | To take hold of somebody or something firmly, especially in the hand |
| Rooting | A reflex when touched on the cheek, the infant turns the head looking for food |
| Startle | To scare or suprise |
| Babinski | To react to a stroke on the bottom of the foot |
| Sucking | is stimulated when something is put into a baby's mouth |
| Handling | The way a person holds a baby |
| Feeding | Giving the baby proper nourishment |
| Teeth Care | Taking care of the teeth and getting regular check-ups and home care |
| Bathing | Maintenance of proper hygiene |
| Dressing | Selection and wearing of appropriate clothing |
| Diapering | The steps for putting on a device to absorb body elimination and waste |
| Sleeping | The resting of the body |
| Medical Care | The selection of a doctor to administer proper health care |
| Wellness checkup | Routine visits to the doctor to maintain good health |