Level 1
How many chambers does the heart have?
4
Which of the following is a part of the blood?
A. Red and white blood cells
B. Platelets
C. Plasma
D. All of the above
D. All of the above
Very tiny blood vessels that connect between arteries and veins.
What are capillaries?
Where does the sound from a beating heart come from?
Heart valves closing
What wall separates the left and right sides of the heart?
Septum
What is the movement of blood through the heart and body called?
Circulation
What are the bottom two chambers of the heart called?
Ventricles
Within the blood, what is the fluid that blood cells float around in?
Why is blood that flows from the lungs to the heart bright red rather than dark red?
Oxygen makes it bright red
About how much blood is within the average adult body?
A. 2 to 3.5 liters (0.5 to 1 gallon)
B. 4.5 to 5.5 liters (1.2 to 1.5 gallons)
C. 7.0 to 8.0 liters (1.8 to 2.1 gallons)
D. 10 to 11 liters (2.6 to 2.9 gallons)
B. 4.5 to 5.5 liters (1.2 to 1.5 gallons)
What do the lungs provide for the circulatory system?
Oxygen
As the blood reaches the lungs, what is removed from the blood?
Carbon Dioxide
What is the name of the largest artery in the human body?
Aorta
What is the name of the largest veins in the human body?
Vena Cava
Where are red blood cells made?
Bone Marrow
What parts act like doors that control blood flow in the heart?
Valves
What are the top two chambers of the heart called?
Atria
How many times does the average adult heart beat per minute while at rest?
A. 120
B. 40
C. 70
D. 90
70
Which of the following is true about the difference between arteries and veins?
A. Veins take blood away from the heart
B. Veins are tiny blood vessels that attach to arteries to transfer oxygen
C. All Arteries carry oxygen-rich blood
D. Arteries take blood away from the heart
D. Arteries take blood away from the heart
What is the name of the blood vessels that supply oxygen-rich blood to the muscle of the heart?
A. Coronary arteries
B. Coronary veins
C. Carotid arteries
D. Carotid veins
Coronary Arteries
Name an example of Heart Disease
High Cholesterol, High Blood Pressure
An unhealthy diet, lack of physical inactivity, tobacco use and harmful use of alcohol can lead to this.
Heart Disease
What is the name for "Bad" Cholesterol
LDL
What is the name for "Good" cholesterol?
HDL
The best foods to lower high cholesterol contain this.
High soluble fiber.