Which of the following is an organ of the digestive system?
a. stomach
c. muscle cell
b. nerve tissue
d. epithelial tissue stomach

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

Which example best describes a reflex action? a. eating food when hungry b. coughing when the throat is irritated c. bending down to lift a heavy object d. going for a walk outside

Which is not true about balanced forces?