Abeka Biology Test 5 Exam Questions And 100% Correct
Answers |Graded A+ (2026/2027)
amount of air that is inhaled and exhaled when breathing normally
tidal volume
type of blood protein that helps in the clotting of the blood
fibrinogen
iron-containing protein that allows blood cells to transport oxygen
hemoglobin
blood cells that protect the body from infections
white blood cells
breathing is controlled primarily by what?
medulla oblongata
blood travels from the heart to the lungs through what?
pulmonary arteries
surplus red blood cells are stored where?
spleen
blood cells that transport oxygen through the body
red blood cells
blood cells are manufactured where?
bone marrow
What is the heart's natural pacemaker?
sinoatrial node
blood vessels that supply the heart muscle with blood
coronary arteries
1|Page
, what valve connects the left atrium and the left ventricle of the heart?
bicuspid
blood leaves the left ventricle through what valve?
aortic semilunar
tough, white sac that encloses and protects the heart
pericardium
muscle layer of the heart
myocardium
large blood vessels that carry blood from the body into the right atrium of the heart
venae cavae
irregularly shaped pockets or air spaces in the nasal cavity that warm and moisten incoming
air
nasal meatuses
most cases of lung cancer in the United States are caused by this
cigarette smoking
the movement of blood to and from the kidneys
renal circulation
type of heart failure caused by a blockage of blood flow to the heart muscles
heart attack
abnormal rushing or blowing sound that results from a damaged heart valve
heart murmur
condition in which the body's blood pressure falls to a critical low as a result of excessive loss
of blood or plasma
circulatory shock
buildup of excessive fluid in the lungs as a result of bacterial or viral infection
pneumonia
buildup of fibrous and fatty tissue in the liver, often caused by alcohol abuse
2|Page
Answers |Graded A+ (2026/2027)
amount of air that is inhaled and exhaled when breathing normally
tidal volume
type of blood protein that helps in the clotting of the blood
fibrinogen
iron-containing protein that allows blood cells to transport oxygen
hemoglobin
blood cells that protect the body from infections
white blood cells
breathing is controlled primarily by what?
medulla oblongata
blood travels from the heart to the lungs through what?
pulmonary arteries
surplus red blood cells are stored where?
spleen
blood cells that transport oxygen through the body
red blood cells
blood cells are manufactured where?
bone marrow
What is the heart's natural pacemaker?
sinoatrial node
blood vessels that supply the heart muscle with blood
coronary arteries
1|Page
, what valve connects the left atrium and the left ventricle of the heart?
bicuspid
blood leaves the left ventricle through what valve?
aortic semilunar
tough, white sac that encloses and protects the heart
pericardium
muscle layer of the heart
myocardium
large blood vessels that carry blood from the body into the right atrium of the heart
venae cavae
irregularly shaped pockets or air spaces in the nasal cavity that warm and moisten incoming
air
nasal meatuses
most cases of lung cancer in the United States are caused by this
cigarette smoking
the movement of blood to and from the kidneys
renal circulation
type of heart failure caused by a blockage of blood flow to the heart muscles
heart attack
abnormal rushing or blowing sound that results from a damaged heart valve
heart murmur
condition in which the body's blood pressure falls to a critical low as a result of excessive loss
of blood or plasma
circulatory shock
buildup of excessive fluid in the lungs as a result of bacterial or viral infection
pneumonia
buildup of fibrous and fatty tissue in the liver, often caused by alcohol abuse
2|Page
