Student A and Student B are both 15 year old high school students. Student A has a caloric need of 2100 calories per day & Student B has a need of 3000 calories per day. Discuss at least 3 possible reasons for the variation in caloric need for these students.

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

Which of the following describes the rooting reflex? a. a newborn turns the face toward a touch on the cheek in search of food. b. a newborn will automatically suck on objects placed in the mouth like a bottle. c. newborn immersed in water will display something like movement. d. newborn curls a hand around an object that touches the palm

Results from damage to tiny air sacs in the lungs