Draw a heart. label the chambers and draw arrows to show the flow of blood through the heart.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which hormone is used by both males and female?

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.