1. What is the correct arrangement of these digestive system organs, in sequential order starting from the mouth?
a. anus, large intestine, esophagus, stomach, and small intestine
b. esophagus, stomach, small intestine, large intestine, and anus
c. stomach, small intestine, esophagus, large intestine, and anus
d. small intestine, large intestine, anus, esophagus, and stomach
3. large intestine, anus, esophagus, stomach, and small intestine

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Protein provides 4 calories per gram. mary is on a diet that requires her to eat atleast 40 grams of protein each day. shes eaten 152 calories of protein today. how much more protein does mary need to eat to meet her goal?

Caleb has poor eyesight from cataracts. which drug is caleb most likely abusing