The lower chambers of the heart are called the _[blank]_.

atria

myocardium

septum

ventricles

What did the first language sound like

What is the name of the two satelites on mars

Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white