backburster growth explanation

i actually made a small explanation right here of the symptoms

loss of breath. the neomorph when it's layed though the spores grows inside one of the lungs. when it gets too big to fit the lungs one of the lungs will collapse leading to the person not being able to breathe.

pale skin. in order for the neomorph to grow it most need blood cells. so in order to get the cells it absorbs the cells inside of the infected. since the neomorph is so big it takes half of the blood cells leading to pale skin.

loss of balance. since the infected dosen't have many blood cells due to the neomorph it dosen't have that many oxygen to the brain. remember how when you donated blood and you felt woozy. same goes to the victims too since they don't have alot of blood in there brain

vomiting up blood, when the neomorph gets too big in the back it crushes the kidney, resulting for the person to vomit up there own blood