Facial muscles are unusual in that they Select one: a. represent a combination of first-class and second-class lever systems. b. insert and sometimes originate on skin and connective tissue. c. are smooth muscles rather than skeletal muscles. d. are not involved in movement. e. are not involved in facial expression.

Which chemical equation is unbalanced? which chemical equation is unbalanced

What noticeable trend from this graph might be used to make a conclusion?

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.