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Exercise Science and Sports Medicine
Unit 3 C
CIRCULATORY SYSTEM
Worksheet # 1
Name __________________________________________ Period ____________
1.
What are the 3 functions of the circulatory system?
1.
2.
3.
2.
The human heart is about the size of your ________________.
3.
The heart is divided down the middle by a wall called the _________________.
4.
What is the difference between the Atrium and the Ventricles?
5.
Which side of the heart is each of the following located on?
1. Bicuspid Valve –
2. Tricuspid Valve –
6.
Trace a drop of blood through the heart:
1. Inferior and Superior Vena Cavas
2.
3.
4.
5.
6.
7. Lungs
8.
9.
10.
11.
12. Aorta Artery to body
Unit 3 C - Circulatory System
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Exercise Science and Sports Medicine
7.
Explain the differences between arteries, veins, and capillaries:
8.
What is the purpose of each of the following:
Red Blood Cells –
White Blood Cells –
Platelets –
Plasma –
9.
What organs can take over for an injured or removed spleen?
10.
What are the functions of the spleen?
1.
2.
11.
Name the two phases of circulation and describe where each goes?
12.
The total circulatory process from the heart, to the lungs, to the body, and back to
the heart takes about _________________________.
Unit 3 C - Circulatory System
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Exercise Science and Sports Medicine
Unit 3 C
CIRCULATORY SYSTEM - KEY
Worksheet # 1
1.
What are the 3 functions of the circulatory system?
1.
2.
3.
Deliver oxygen and nutrients to the body tissues
Carry waste from the cells to be excreted
Body temperature regulation
2.
The human heart is about the size of your ___fist______.
3.
The heart is divided down the middle by a wall called the ____Septum____.
4.
What is the difference between the Atrium and the Ventricles?
Atrium – upper chambers which are the receiving chambers of blood from
the body and the lungs
Ventricles – lower chambers which are the pumping chambers to the lungs
and the body
5.
Which side of the heart is each of the following located on?
1.
2.
6.
Bicuspid Valve – left side
Tricuspid Valve – right side
Trace a drop of blood through the heart:
1.
Inferior and Superior Vena Cavas
2.
Right Atrium
3.
Tricuspid Valve
4.
Right Ventricle
5
Pulmonary Semilunar Valve
6.
Pulmonary Arteries
7.
Lungs
8.
Pulmonary Veins
9.
Left Atrium
10.
Bicuspid Valve
11.
Left Ventricle
12.
Aorta Artery to body
Unit 3 C - Circulatory System
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Exercise Science and Sports Medicine
7.
Explain the differences between arteries, veins, and capillaries:
Arteries – carry blood away from the heart
Veins – carry blood toward the heart
Capillaries – microscopic vessels where oxygen and nutrient exchange
takes place
8.
What is the purpose of each of the following:
Red Blood Cells – Carry oxygen and carbon dioxide
White Blood Cells – Fight disease, infection, and inflammation
Platelets – Clotting
Plasma – Liquid component of blood which carries the cells and nutrients
9.
What organs can take over for an injured or removed spleen?
Liver and Bone Marrow
10.
What are the functions of the spleen?
1.
2.
11.
Filters blood
Assist with immune defense
Name the two phases of circulation and describe where each goes?
Systemic circulation – blood from heart to body and back to heart
Pulmonary circulation – blood from heart to lungs and back
12.
The total circulatory process from the heart, to the lungs, to the body, and back to
the heart takes about ____1 minute________.
Unit 3 C - Circulatory System
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