George's highest target heart rate is 170. yesterday on the stair stepper machine, his heart rate went to 172. what should he do the next time he uses this machine to get the most effective workout?

What organs or body system is affected by ebola

Dominique has a bmi of 35. what does the bmi indicate about dominique?

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.