Please Help!!!! 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