This is science
if you had a digestive system but no excretory system, what would happen?
a. you would need to eat twice as much food
b. waste product would build up in your body
c. waste products would be eliminated by the circulatory system
d. nothing would happen

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.

True or false. mucous membranes secrete mucus that traps pathogens.

Why should you to explore different careers at this point in your life