Download Circulatory Video Quiz Question 1

Circulatory Video Quiz
Question 1: What is the job of the circulatory
system?
The job of the circulatory system is to transport
food and oxygen to all of the living cells in a
human body.It also must pick up waste products
from those cells so that they can be eliminated
from the body.
Question 2: What are the three main parts of the
circulatory system?
Heart, blood, blood vessels.
Question 3: Name the four chambers of the
heart.
Right atrium, right ventricle, left atrium, and left
ventricle.
Question 4: What is the lub-dub sound we hear
when listening to the heart?
The lub-dub sound is the sound of heart valves
closing.
Question 5: Name the three types of blood
vessels.
Arteries, capillaries, veins.
Question 6: What two things help the blood in
veins return to the heart?
One-way valves, and the fact that veins are
between leg muscles so when a person walks, the
contracting and relaxing muscles help push the
blood along.
Question 7: What do the two numbers recorded
while measuring blood pressure represent? For
instance, a healthy young adult might have a
blood pressure of 120 over 80.
The first number is the pressure of blood as it is
pushed by the ventricles. The other number is
the pressure at rest while the ventricles are
refilling.
Question 8: How much blood is contained in an
average adult?
5 liters.
Question 9: What are the four components of
blood?
Plasma, red blood cells, white blood cells, and
platelets.
Question 10: What does the hemoglobin in red
blood cells do to help the circulatory system?
Haemoglobin attracts and holds onto oxygen
molecules. It carries the oxygen through the
circulatory system.