Health Test

How many days red blood cells live?

100-120

Percent of your blood that is red blood cells

44

Percent of your blood that is plasma

55

How long does it take for your heart to pump blood through your entire body? A.) About a minute B.) About seven minutes C.) About 15 minutes D.) About half an hour

A.) About a minute

Which of the following is a true statement? A.) People with type AB blood can receive blood from any blood group B.) People with type AB blood can donate blood to people with any blood type C.) People with type AB blood can donate and receive blood from any blood group D.) People with type AB blood can neither donate nor receive blood from any blood group except the AB group

A.) People with type AB blood can receive blood from any blood group

To which part of a car is the heart most similar? A.) The engine B.) The wheels C.) The steering column D.) The radio

A.) The engine

When is blood pressure the highest? A.) What blood is pumped out of the heart B.) When oxygen is transferred from the lungs into the bloodstream C.) When blood is circulating through your hands and feet D.) When blood flows from the body into the heart

A.) What blood is pumped out of the heart

What can you infer from the fact that your heart beats faster when you exercise? A.) When you exercise, your muscles need more oxygen B.) When you exercise, you feel especially nervous C.). When you exercise, your brain becomes hyperactive D.) When you exercise, your cells need more carbon dioxide

A.) When you exercise, your muscles need more oxygen

What is the main difference between your ventricles and your atria? A.) Your atria bring blood into the heart; your ventricles pump it out B.) Your atria enrich blood with oxygen; your ventricles remove it C.) Your atria are connected to your arteries; your ventricles are connected to your veins D.) Your atria are made of muscle; your ventricles are made of fatty tissue

A.) Your atria bring blood into the heart; your ventricles pump it out

Which body part is roughly the same size as your heart? A.) your fist B.) your brain C.) your arm D.) your feet

A.) your fist

The what is the biggest artery in the body and is attached to the heart?

Aorta

What is the largest tube in the circulatory system?

Arteries

Which of the following represents a "normal" blood pressure? A.) 150/80 B.) 130/90 C.) 110/70 D.) 120/60

B.) 130/90

If you were short a pint of blood, how much blood would you have in your body? A.) 10 pints B.) 9 pints C.) 5 pints D.) 4 pints

B.) 9 pints

In what way is blood is the body's liquid messenger? A.) Blood delivers electrical messages from the brain to the rest of the body B.) Blood delivers nutrients and oxygen to the body's cells C.) Blood carries nutrients from the stomach to the intestines D.) Blood delivers chemical messages to the body's organs

B.) Blood delivers nutrients and oxygen to the body's cells

Why does the heart have to beat throughout our whole lifetime? A.) It would get bored with nothing to do if it didn't. B.) If our blood does not deliver oxygen to our cells they will die. C.) Our heart signals our brain when to breathe. D.) It doesn't be all our life. Once we are older than 70 the heart doesn't beat.

B.) If our blood does not deliver oxygen to our cells they will die.

How is the heart different from the other muscles in your body? A.) It's not made of muscle tissue B.) It never gets tired C.) It needs at least 10 hours of rest per day D.) It is much smaller than your other muscles

B.) It never gets tired

How does a red blood cell attach oxygen to itself? A.) With plasma B.) With hemoglobin C.) With erythrocytes D.) With platelets

B.) With hemoglobin

Write the words that are parts of the circulatory system. Bones Blood Lungs circles heart aorta arteries pupils capillaries Marrow vessels veins

Blood heart aorta arteries capillaries vessels veins lungs

The left side pumps blood to the cells which the blood is oxygenated because it's filled with oxygen which makes the blood what?

Bright red

How does pulmonary circulation differ from coronary circulation? A.) Coronary circulation occurs throughout the body; pulmonary circulation occurs in the heart B.) Coronary circulation occurs in the brain; pulmonary circulation occurs in the lungs C.) Coronary circulation occurs in the heart; pulmonary circulation occurs in the hard and lungs D.) Coronary circulation involves oxygenated blood only; pulmonary circulation involves deoxygenated blood only

C.) Coronary circulation occurs in the heart; pulmonary circulation occurs in the heart and lungs

If you have high blood pressure, you are at a greater risk for: A.) Lupus B.) Lung cancer C.) Heart attack D.) Colds and flu

C.) Heart attack

What is the main function of platelets? A.) Delivering oxygen to your body's organs B.) Fighting invading germs C.) Helping your blood clot D.) Preventing your blood from coagulating

C.) Helping your blood clot

Why is it important that cardiac muscle is involuntary? A.) Involuntary muscle works faster. B.) Involuntary muscle is stronger. C.) Involuntary muscle works without us telling it to. D.) Involuntary muscle does not need oxygen to live.

C.) Involuntary muscle works without us telling it to

What part of the circulatory system is responsible both for disposing of cellular waste and providing cellular fuel? A.) The heart B.) The kidneys C.) The lungs D.) The aorta

C.) The lungs

What happens after old blood, which has already circulated through the body, moves into the heart? A.) The old blood is sent to the kidneys, where it is removed from the body B.) The old blood is re-circulated through the body C.) The old blood travels to the lungs for more oxygen D.) The old blood is removed from the body through the digestive system

C.) The old blood travels to the lungs for more oxygen

What is blood pressure? A.) The pressure exerted by blood on the walls of the heart B.) The pressure exerted by blood on the walls of the veins C.) The pressure exerted by blood on the walls of the arteries D.) The pressure exerted by blood on the walls of individual cells

C.) The pressure exerted by blood on the walls of the arteries

What is the smallest tube in the circulatory system?

Capillaries

What do the veins do?

Carries blood towards the heart.

What do the arteries do?

Carry oxygen rich blood away from heart.

A what is a separate space, like a room?

Chamber

Our blood does what through our body in our blood vessels?

Circulates

Wright the words and ideas that describe what the circulatory system does. Circulates Cleans out waste Pumps blood Carries waste to our lungs Helps us think Brings oxygen to the cells Helps us hear sound Helps keep us healthy

Circulates Cleans out waste Pumps blood Brings oxygen to the cells Helps keep us healthy

What do the capillaries do?

Connects arteries to veins, and the blood vessels carry oxygen and nutrients to all the cells in the body.

What word best describes the beating of the heart and the circulation of the blood? A.) Voluntary B.) Infrequent C.) Intermittent D.) Automatic

D.) Automatic

If you wanted to see red blood cells being created, where would you look? A.) Inside your heart B.) Inside your liver C.) Inside your lungs D.) Inside your bones

D.) Inside your bones

What substance is in the blood that the heart pumps throughout your body? A.) Calcium B.) Mucus C.) Carbon dioxide D.) Oxygen

D.) Oxygen

Through which type of circulation does blood flow to your hands and feet? A.) Cardiac circulation B.) Coronary circulation C.) Pulmonary circulation D.) Systemic circulation

D.) Systemic circulation

The right side pumps blood back to the lungs to drop of waste and pick up oxygen, this blood is what red?

Dark

Why are the walls of capillaries only one cell thick?

Easier to pick up oxygen and take out waste; tiny

Blood can go both ways between the atria and the ventricles. True False

False

Platelets are the part of blood that fight germs and disease. True False

False

The heart has three chambers. True False

False

The heart is a voluntary muscle. True False

False

The heart is about as big as your foot. True False

False

The human heart is the size of a football. True False

False

The upper chambers of the heart are called ventricles. True False

False

We have fewer white blood cells than red blood cells. True False

False

Your heart is in the middle of your chest. True False

False

The heart is about the size of a what?

Fist

What are the three main parts of the circulatory system?

Heart, blood, blood vessels

Muscle that works without us thinking about it is called what?

Involuntary

Blood pumping through our arteries causes what on them?

Pressure

Why do the walls of arteries need to be thick and elastic?

Pressure of pumping is stronger

What is the main job of the heart?

To pump blood through the heart

Blood with not much oxygen in it is called oxygen-poor or deoxygenated.

True

It would be impossible to remember to make our heart beat. True False

True

Plasma has no red or white blood cells in it. True False

True

The heart is one of the hardest working organs in your body. True False

True

The lower chambers of the heart pump blood out of the heart. True False

True

Valves control the flow of blood from the atria to the ventricles. True False

True

When blood thickens it's called Clotting. True False

True

What is the medium size tube in the circulatory system?

Veins