7th Grade Circulatory System

1

The primary role of the circulatory system is to _______ .

4

Some of the materials transported by the circulatory system are:
_______ 
_______ 
_______ 
_______ 
_______ 
_______ 
_______ 

1

Secondary Roles of the Circulatory System are:
_______ 
_______ 
_______ 

1

Plasma is made out of mostly	_______  and makes up _______ % of the blood.

5

The remaining _______ % of blood includes _______ and _______, which are created in the _______ and start off as _______  . (Do not write "formed elements" for any of the blanks)

1

Draggable item		Corresponding Item
Platelets		carry important molecules and enzymes throughout the bloodstream
Red Blood Cells (RBCs)		destroy infection causing pathogens
White Blood Cells (WBCs)		prevent blood loss

1

What are capillaries?

3

Capillaries are _______ between veins and _______ . They are where red blood cells deliver _______ and _______ and pick up cellular _______ . Capillaries can be found in respiratory and eye _______ .

1

All arteries carry _______ blood,  except	for the _______ artery, which carries _______ blood.

1

All veins carry _______ blood,  except	for the _______ veins, which carry _______ blood.

1

The term _______ refers to the lung.

1

Oxygen/Carbon Dioxide gas exchange occurs in the lung's _______ .

1

Oxygen and carbon dioxide gas _______ across the _______  membrane.

1

The __________ ventricle sends oxygenated blood through the __________.

1

The __________ ventricle sends deoxygenated blood through the __________.

1

Blood is _______ % water.

1

Your heart beats about _______ times each day.

1

Oxygenated blood travels from the heart to the	_______ .

1

Deoxygenated blood travels from the heart to the	_______ .

1

Deoxygenated blood is low in oxygen, causing it to turn blue.

1

Oxygenated blood is high in oxygen, causing it to turn bright red.

1

Red blood cells are also called _______ .

1

Red Blood cells have a double nucleus.

1

Red Blood transport oxygen AND carbon dioxide.

1

Where is hemoglobin found and what does it help to do?

1

Each molecule of hemoglobin can carry _______ molecules of oxygen.

1

The __________ of anemia is low oxygen in the blood. The __________ of anemia is low blood cell count.

1

_______ helps bind oxygen to your blood.

1

_______ is a type of anemia where the red blood cell is crescent shaped.

1

_______ is another name for white blood cells.

1

The 5 different types of _______ are monocytes, eosinophils, _______ lymphocytes and neutrophils.

1

When your body is fighting an infection, the number of leukocytes in your blood significantly increases.

1

Platelets can form _______ to stop_______ .

1

A blood clot is made up of platelets and	proteins such as _______.

1

_______ is a disorder of the where clots do not form properly and a person can easily bleed to death. 

1

_______ prevent blood loss by forming a  clot or _______ where the blood vessel breaks.

1

When too much fat and cholesterol builds up in the artery, a _______ can occur, which can lead to a _______  or _______ .

5

Using complete sentences in your own words, describe what causes a stroke.

0

Using complete sentences in your own words, describe what causes a heart attack.

1

What are capillaries?

Deoxygenated blood is low in oxygen, causing it to turn blue.

Oxygenated blood is high in oxygen, causing it to turn bright red.

Red Blood cells have a double nucleus.

Red Blood transport oxygen AND carbon dioxide.

Where is hemoglobin found and what does it help to do?

When your body is fighting an infection, the number of leukocytes in your blood significantly increases.

Using complete sentences in your own words, describe what causes a stroke.

Using complete sentences in your own words, describe what causes a heart attack.

Heart valves keep blood flowing in one direction.