Why is the circulatory system important in meeting the needs of all cells throughout an animals body

Which of the following is an important function of child-directed speech? (a) it captures the infant’s attention and maintains communication. (b) it reduces the occurrence of infantile amnesia for the earliest memories of infancy. (c) it reduces the need for reciprocal interaction between caregivers and children. (d) it assists in prolonging rem sleep in infants.

Ineed to interview a person with a toddler : )

Which respiratory measurement as useful in differentiating between obstructive and restrictive pulmonary dysfunction