Circulatory System 1
Circulatory System 2
Circulatory System 3
Circulatory System 4
Circulatory System 5
100
The circulatory system carries both waste and nutrients in the ______________
blood
100
The term for blood that doesn't have much oxygen is _______________________
deoxygenated
100
The __________ side of the heart delivers blood to all the body except the lungs.
left
100

Which type of blood vessel has a 'pulse'?

artery

100

Which type of blood vessel has valves inside?

Vein

200
Blood vessels are separated into three separate categories: ___________ _____________ ______________
veins, arteries and capillaries
200
What kind of blood vessels are traveling away from the heart?
arteries
200

Which valve prevents blood flowing back into the left atrium from the left ventricle?

The bicuspid valve

200

Bacteria transports oxygen by?

diffusion

200

Which chamber produces the highest pressure in the blood?

Left ventricle

300

What does it mean that the circulatory system is a cycle?

Has to start or finish, is one loop/circle

300
What type of blood vessel facilitates gas exchange?
capillaries
300

How many valves are there in your heart?

4

300
A very important job of the red blood cells is to transport _______________
oxygen
300
True or false: you can change the size of your heart
True - like any muscle, exercise with strengthen and increase its size and capacity
400
All the blood returns to the heart through the superior ______________ and the inferior _________________
vena cava
400
Usually, the blood flowing in veins is rich or poor in oxygen?
poor
400
Which has thicker walls, veins or arteries? Why?
arteries, under more pressure
400
Without ____________ in your blood, you could bleed to death from a very small cut
platelets
400

What is the name of the wall that divides the heart in two?

septum

500

From which chamber of the heart does blood leave to go to the lungs?

right ventricle

500

______________ brings oxygenated blood from the lungs into the left atrium.

The pulmonary vein

500

____________carries deoxygenated blood from the right ventricle to the lungs.


The pulmonary artery

500

How many chambers does the heart contain?

4

500

The capillaries join up into larger vessels, called ______, which then combine to form veins.

Venules

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