1. By: Param Gattupalli, Arnett King, Silas Baller, and Aiden Camp
Circulatory System
By: Param Gattupalli, Arnett King, Silas Baller, and Aiden Camp

2. Lesson Plan
First, we will talk about the boring stuff like standards, objectives, vocabulary, and the essential question (by Aiden)
Second, we will teach you the good stuff about the circulatory system (by Param)
Next, you will take a test/quiz/exam/assessment (by Arnett)
Finally, we will do an activity involving the circulatory system (by Silas)

3. Standard
Identify and investigate the general functions of the circulatory system and describe 3 ways the circulatory system interacts with other body systems to maintain homeostasis.

4. Objectives
Students will identify and/or describe the general functions of the circulatory system of the human body
Students will identify and/or describe ho the circulatory system maintains homeostasis

5. Essential Question
How does the circulatory system work with other body sytsems to maintain homeostasis?

6. Vocabulary
Circulatory System- the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
Heart- a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation. In vertebrates there may be up to four chambers (as in humans), with two atria and two ventricles
Artery-Blood vessel that carries blood from and away from the heart
Vein-Blood vessel the carries blood to the heart
Capillary-Tiny blood vessel that provides exchange between blood and body cells

7. Organs in the Circulatory System
Heart-The pump of the circulatory system that moves blood around the body
Blood Vessels(Veins, Arteries, Capillaries)
Blood

8. What Systems Does the Circulatory System Work With?
Lymphatic System-Every time the heart pumps, a little fluid comes out of capillaries. The lymphatic system is responsible for collecting that fluid and returning it to the blood
Respiratory System-When you breath in, the oxygen you take in is given to your heart and moved throughout the body to be delivered to cells in the blood
Immune System-Your blood contains white blood cells and antibodies that are part of the immune system

9. Functions of the Circulatory System
Move blood, nutrients, and hormones throughout the body

10. Heart
Has a left and right side separated by a wall(remind you of any 2 countries and the president elect?)
The right side of your heart pumps blood without much oxygen to the lungs to get refilled
The left side of your heart sends blood with oxygen to the rest of your body
Both sides of your heart have an upper chamber(atrium) and lower chamber(ventricle)
Blood enters the atria and goes to the ventricles and exits through flaps called valves
These valves are the reason you can hear your heart beat. That sound you hear is the
valves closing. They do that because they want to prevent backwards flow of blood.
About the size of your fist
The heart is actually a muscle, allowing it to contract to push blood

11. Blood
Not
Blood is actually a connective tissue because it contains 2 or more types of cells
Blood helps maintain homeostasis by sending messages, delivering nutrients, and getting rid of waste
Blood also helps maintain homeostasis by carrying the cells of the immune system to where they need to be
The fluid part of blood is called plasma. It contains nutrients, water, and waste. It is like the cytoplasm of a cell.
Platelets are parts of bone marrow. They help form blood clots.
Red blood cells carry oxygen throughout your body with hemoglobin
White blood cells help fight pathogens. This is one way that the circulatory system maintains homeostasis.

12. Blood Flow Blood flows in circuits
The pulmonary circuit is the flow of blood between the heart and lungs
The systemic circuit is the flow of blood between the heart and the rest of the body
Blood goes from the heart to the lungs(Right side of heart). Then it goes back to the heart(left side). After that it flows through the arteries, then the capillaries and finally the veins back to the right side of the heart.
Blood flow can help maintain homeostasis because when blood vessels expand they lower body temperature because when the blood vessels expand the heat of the blood is released to the air around the skin

13. Blood Vessels Blood travels through blood vessels
There is three types of blood vessels: Arteries, veins, and capillaries
Arteries have strong thick walls
Capillaries are so small they have to have cells go single file through them
Every cell is within 5 cells of a capillary
The movement of blood from and back to the heart goes:
Artery
Capillary
Vein

14. Bad Things That Can Happen to the Circulatory System
Atherosclerosis is when artery walls harden up because of cholesterol or lipids. Therefore, blood can’t get where it needs to go.
Hypertension is abnormally high blood pressure and can lead to atherosclerosis
Heart attacks occur when heart muscles can not get blood or oxygen
Strokes occur when a blood vessel in the brain is blocked or bursts. The brain can not get blood and will have a stroke

15. Question #1 How wide is a capillary? A. 5 cells B. 2 cells C. 1 cell
D. As big as your fist

16. C

17. Question #2 What are the two different blood flow circuits?
Pulmonary circuit and systemic circuit
Pulmonary circuit and electrical circuit
Systemic circuit and coronary circuit
None of the above

18. A or C

19. Question #3 What type of tissue is blood? Muscle tissue
Connective tissue
Epithelial tissue
Ground tissue

20. B

21. Question #__ What question is it?
What organ systems does the circulatory system work with?
Respiratory, Digestive, Nervous
Lymphatic, Excretory, Muscular
All of them
Immune, Respiratory, Lymphatic

22. C or D

23. Question #5 What is the upper part of each side of the heart called?
Ventricle
Axium
Cave
Atrium

24. D

25. Activity We are going to find your heart rate in beats per minute.
Find your pulse in your wrist or in your neck
Start counting beats when I say go
Count for 10 seconds
Multiply this number by 6 and you will get your heart rate

26. Thanks For Watching