Really don't understand the vocal cords which make the sounds that enable us to speak are contained within the: a.) bronchi b.) larynx c.) diaphragm d.) trachea the cellular component of the blood that is involved in the body's defenses is called "blank 1" , and the cellular component that contains hemoglobin is called "blank 2" blank 1 a.) erythrocytes b.) leukocytes blank 2 a.) erythrocytes b.) leukocytes the lower pressure between heart contractions is called a.) diastolic pressure b.) systolic pressure what is found in the kidney pelvis? a.) water and minerals b.) replenished blood c.) unfiltered blood d.) urine acceptable blood pressure for a human being is under 14/90 150/100 120/80 the pigment in the red blood cells that carries oxygen is called a.) hemoglobin b.) albumin