People's Education Edition Biology for Grade 8, Volume 1
People's Education Edition Biology for Grade 8, Volume 2
People's Education Edition seventh grade biology volume 1
People's Education Press High School Biology Compulsory Course 2
Beijing Normal University Edition Seventh Grade Biology Volume 2
People's Education Press seventh grade biology book volume 2
Beijing Normal University Edition Eighth Grade Biology Volume 1
High School Biology Compulsory Course 1, published by People's Education Press
Beijing Normal University Edition Seventh Grade Biology Volume 1
Beijing Normal University Edition Eighth Grade Biology Volume 2
Jiangsu Education Edition Seventh Grade Biology Volume 1
Jiangsu Education Edition 8th Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 2
Jiangsu Education Edition 8th Grade Biology Volume 2
Category | Format | Size |
---|---|---|
People's Education Press seventh grade biology book volume 2 | pptx | 6 MB |
Description
"Exclusion of Waste from the Human Body" PPT courseware
1. Review the past and learn the new
Schematic diagram of material exchange between blood and tissue cells
Through studying this chapter, we will know:
1. What are the ways for waste products produced by the human body to be excreted from the body?
2. What are the structural components of the urinary system?
3. How is urine formed and excreted?
2. Explore new knowledge
1. Composition of urinary system
Read the content on P72 of the textbook and complete the following questions.
(1) The concept of excretion.
(2) Through which system are the wastes produced by the human body mainly discharged?
(3) Complete the discussion questions in "Observation and Thinking" within the group.
2. Internal structure of kidney
Read the content on P73 of the textbook independently and circle the following questions.
(1) What are the structural and functional units of the kidney?
(2) What does the nephron consist of?
(3) What does the glomerulus consist of? What is special about glomeruli? What are the characteristics of capillary walls?
(4) What are the characteristics of renal tubules? What does the structure of the renal capsule and renal tubules look like?
Comparison of four liquid ingredients
1. Blood: water, inorganic salts, urea, glucose, macromolecular proteins, blood cells
2. Plasma: water, inorganic salts, urea, glucose, macromolecular proteins
3. Original urine: water, inorganic salts, urea, glucose
4. Urine: water, inorganic salts, urea
meaning of urination
Remove waste from the body
Regulate the balance of water and inorganic salts in the body
Maintain normal physiological functions of tissue cells
4. Compliance testing
1. The following table shows the components of urine, plasma, and original urine (grams/100 ml). Please answer:
A is _____, B is _____, C ____
2. A little boy peed under a tree on the roadside. After a while, a lot of ants appeared next to the urine. If there is a kidney disease, please analyze which part of the kidney may have the disease?
Consolidate the summary
One system: urinary system
Two arterioles: afferent arteriole and efferent arteriole
Twice capillary network Glomerulus and capillary network wrapped around renal tubules
Two processes of urine formation: glomerular filtration and tubular reabsorption
Urinary system and nephron components: kidneys, ureters, bladder and urethra glomeruli, renal capsules and renal tubules
There are three functions of urination: ① excrete waste ② regulate the balance of water and inorganic salts in the body ③ maintain the normal physiological functions of tissue cells
Four liquids: blood, plasma, raw urine, and urine
Keywords: teaching courseware on the discharge of waste in the human body, PPT courseware for the second volume of the seventh-grade biology of the New People's Education Edition, download of the seventh-grade biology slide courseware, download of the PPT courseware on the discharge of waste in the human body, .ppt format
For more information about the PPT courseware "Waste Discharge from the Human Body", please click the "Waste Discharge from the Human Body" PPT tab.
"Discharge of Waste from the Human Body" PPT Courseware 6:
"Exclusion of Waste from the Human Body" PPT Courseware 6 1. Definition of pathways for waste excretion from the human body: the process of excreting metabolites from the body Organs: kidneys, lungs and skin Pathways: Respiration: carbon dioxide and a small amount of water Skin: part of water, inorganic salts and Small amount of urea: large...
"Discharge of Waste from the Human Body" PPT Courseware 5:
"Discharge of Waste from the Human Body" PPT courseware 5 Self-study tips: Please read the contents of P72-76 of the textbook carefully and silently, pay attention to the illustrations and the text below, find out the answers to the following questions and outline them, 5 minutes Finally, let’s see who can answer the question faster and better...
"Discharge of Waste from the Human Body" PPT Courseware 4:
"Excretion of Waste from the Human Body" PPT Courseware 4 Problem Reproduction 1 1. Tell the main difference between excretion and excretion 2. Name the main excretion pathways of the human body 1. The process of excretion of carbon dioxide, urea and excess water from the body is called excretion; feces excretion The process outside the body is called elimination. ..
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Update Time: 2024-10-16
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