VIDEO GUIDE FOR BOZEMAN BIOLOGY CIRCULATORY SYSTEM
•
Instead of blood, insects and spiders have ___________________
•
Hemolymph is a mixture of ____________________ and
___________________
•
circulation
Fish have a heart with _______ chambers and __________ loop
•
The first terrestrial organism had hearts with _____________ chambers
and ________ loop circulation. One loop carried blood to the ___________ and the other
to the __________
•
What is the disadvantage of a three chambered heart?
•
Endothermic (warm blooded) organisms have hearts with ______
chambers and double loop circulation.
•
Blood that is low in oxygen is called _______________
•
On the back of this sheet, describe the path of blood through the heart,
lungs and body. Start with the deoxygenated blood entering the right atrium of the heart
through the vena cava…..
Artery
Vein
Which blood vessel is stronger?
Which blood vessel has valves?
Which carries blood back to the heart?
Which carries blood away from the heart?
•
The liquid part of the blood is called ____________
•
Describe the functions of each of the following:
•
Red blood cells (erythrocytes)
•
White blood cells (leukocytes)
•
Platelets
•
In what form is carbon dioxide carried in the blood?
•
The two parts of the cardiac cycle are ___________ and ____________
•
muscle?
Which part of the cardiac cycle represents the pumping of the heart
•
Which part of the cardiac cycle represents the filling of the heart muscle?
•
Why does your heart beat make a sound similar to “lub-dub”?
•
How does the heart muscle itself get blood?
•
What is a heart attack?
•
The heart’s contractions start at ________________