Which structures are not involved in asexual reproduction?
a. centromeres
b. spindles
c. chromosomes
d. setae

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

the answer is d.) homologous; have mammary glands