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Your Own Personal Gas Station

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Presentation on theme: "Your Own Personal Gas Station"— Presentation transcript:

1 Your Own Personal Gas Station
Part 4: Your Own Personal Gas Station Fuel For Your Cells

2 Student Objectives Sunday, April 16, 2017
After today’s lesson, you will be able to: Explain how the circulatory and respiratory systems work together to provide oxygen to cells. Explain the role of excretion in cellular respiration. Homework: Completed packets due.

3 Lesson Question: In what way could the lungs be considered your own personal “gas” station?

4 Recognize and explain that human beings, like other organisms have complex body systems of cells,tissues, and organs that interact to support an organisms growth and survival. VSC Content Standard: -Describe and explain that the complex set of systems found in multicellular organisms are made up of different kinds of tissues and organs which are, in turn, composed of differentiated cells -Select several body systems and explain the role of cells, tissues, and organs in the systems selected that effectively carry out a vital function for the organism, such as:Obtaining food and providing energy, Defense, Reproduction, Waste Removal, Breathing

5 Engage your thinking… What materials do you or your cells need to stay alive? How do you get these materials into your body? How do you get rid of waste?

6 Explore your text… Use your text (p.130) to summarize the role of the respiratory system in 10 words or less.

7 The Functions of the Respiratory System
The Respiratory system has two main functions, both of which deal with gases: 1. Getting Oxygen from the outside environment INTO the body. 2. Removing Carbon Dioxide and Water FROM the body.

8 The Circulatory and Respiratory Systems
The respiratory system depends upon pulmonary circulation… Pulmonary circulation is the movement of blood from the heart, to the lungs, and back to the heart again. This is just one phase of the overall circulatory system and goes hand-in-hand with the respiratory process.

9 PULMONARY CIRCULATION

10 Exploring Breathing… Observe teacher materials and demonstration for the “Lung Machine”.

11 Explain your thinking…
Use your text to compare and contrast the two terms: Breathing and Respiration.

12 Explain your thinking…
Sketch a copy of Figure 1 (p.131) in your packets. Be sure to include arrows, structures, and functions. Explain what the graphic organizer shows us

13 Extend your knowledge…
Explain how the respiratory and circulatory systems work together to provide some of the raw materials that cells need to produce energy. Be sure to base your response on information you have gained from class activities.

14 Evaluate your learning…
Explain the process of respiration. Be sure to include specific examples from your text and class investigations such as the raw materials used, and the products produced in your response.

15 Part 5: Taking Out The Trash
Fuel For Your Cells

16 Lesson Question: How are waste products removed from the body?

17 Engage your thinking… What does the term excretion mean?
Why is it necessary for us to excrete waste products?

18 Check your answers… Excretion is the process by which wastes are removed from the body. If we did not excrete waste products, we would continue to collect more and more waste, and eventually poison ourselves.

19 Explore your text… Use your text (p ) to identify the structures that make up the kidneys and much of the excretory system and label them in your diagram.

20 Check your answers… A. Kidney B. Ureter C. Urinary Bladder D. Urethra

21 The Kidneys and Related Structures

22 Kidney Filtration… The kidneys are the major organs of the excretory system. Their job is to eliminate urea, excess water and other materials in urine that is expelled from the body.

23 How does a kidney work?

24 Kidney Filtration… As blood flows through the kidneys, they remove wastes from the blood using tiny filtering factories called nephrons. The nephrons are tiny structures that remove wastes from the blood and produce urine.

25

26 Kidney Filtration… Nephrons contain a cluster of capillaries. Here, urea, water, glucose, and other substances are filtered out of the blood into a long, twisting tube, but most of the water and glucose are reabsorbed. The urea that stays in the tube becomes urine.

27 Traveling through the system

28 Removing waste from the blood…
A. The Kidney First, the kidneys eliminate urea, excess water and other materials by filtering the blood in your body and using urea and water to create urine.

29 Removing waste from the blood…
B. The Ureter Urine flows from the kidneys through two narrow tubes called ureters.

30 Traveling through the system…
C. Urinary Bladder The urinary bladder is a sac-like organ that stores urine until it is full. Urine is sent here from the kidneys, via the ureters. When the bladder fills up, you feel the need to urinate.

31 Traveling through the system…
D. Urethra When urine is released from the bladder, it flows through the urethra and out of the body.

32 Explain what you have learned…
Explain the function of the kidneys in 10 words or less.

33 Evaluate… Why is excretion necessary after your cells obtain energy through cellular respiration? Please explain and include specific materials and products in your response.

34 Exploring Excretion… There is another organ in the body that we haven’t talked about yet…the LIVER.

35 Exploring Excretion… Some wastes need to be broken down before the can be excreted. The LIVER performs this function. Urea, which comes from the breakdown of proteins, is produced by the liver.

36 Exploring Excretion… From one of our previous units, can you think of another duty that the LIVER performs?

37 Exploring Excretion… The liver also helps the digestive system perform its job. The LIVER produces a product celled bile, which helps to break down fats during chemical digestion.

38 Evaluate yourself… Can you:
Explain how the circulatory and respiratory systems work together to provide oxygen to cells. Explain the role of excretion in cellular respiration.

39 Homework Completed packets due.


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