Small structures within the cytoplasm which perform individual functions are called:

a. organelles
b. membranes
c. nuclei
d. organs

How does the fitt principle apply to the development of successful personal fitness programs

A70 year-old female has a drooping left eyelid obstructing her vision and has consented to having the blepharoptosis repaired. a skin marking pencil was used to outline the external proposed skin incision on the left upper eyelid. the lower edge of the incision was placed in the prominent eyelid crease. the skin was excised to the levator aponeurosis. an attenuated area of levator aponeurosis was dehisced from the lower strip. three 6-0 silk sutures were then placed in mattress fashion, attaching this attenuated tissue superiorly to the intact tissue inferiorly. this provided moderate elevation of the eyelid. what cptâ® code is reported?

[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.