"Blood" PPT courseware

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"Blood" PPT courseware

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"Blood" PPT courseware

Part One: Composition of Blood

plasma

1. Ingredients: water (91-92%)

Protein (7%)

Glucose (0.1%)

Lipids

Inorganic salt

Metabolic waste

2. Function: Carrying blood cells

Transport nutrients and waste

red blood cells

1.Quantity: Male: 5.0×1012/L; Female: 4.2×1012/L

2. Morphological and structural characteristics

⑴ Mature red blood cells have no nucleus and are round and disc-shaped with a concave center on both sides.

 There is iron-containing hemoglobin in the cells.

Male: 120-160g/L; Female: 118-150g/L

3. Lifespan and renewal: Lifespan is about 120 days, regenerated by red bone marrow

Characteristics of hemoglobin: It is easy to combine with oxygen in places with high oxygen content; it is easy to separate from oxygen in places with low oxygen content.

leukocyte

1. Morphological structure: There are many types, all of which have cell nuclei.

2. Quantity: (4~10)×109 pieces/L

3. Life span: varies in length and is also produced by red bone marrow.

4. Function

White blood cells play a defensive and protective role in the human body

Blood PPT, Part 2 content: Classroom training:

1. The most abundant substance in plasma is ( )

A. Glucose B. Inorganic salt

C. Water D. Protein

2. Compared with white blood cells, the main structural difference between red blood cells is that red blood cells do not have ( )

A. Nucleus B. Cytoplasm

C. Cell membrane D. Cell wall

3. During physical education class, Xiao Ming accidentally fell and broke his skin, causing bleeding. Do you think this is caused by a lack of ( ) in his blood

A. White blood cells B. Platelets

C. Hemoglobin D. Red blood cells

Keywords: Beijing Normal University Edition Biology PPT courseware for seventh grade volume 2 free download, blood PPT download, .PPT format;

For more information about the PPT courseware "Material Transport Blood in the Human Body", please click the "Material Transport Blood ppt in the Human Body" tab.

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"Human Blood Circulation" PPT:

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"Blood and Blood Type" PPT download:

"Blood and Blood Type" PPT Download Part One: The Stratification Phenomenon of Blood Extract 10 ml of fresh human blood, put it into a test tube containing a small amount of sodium citrate solution (to prevent blood coagulation), and let it sit for a while. Take a look, what happens to the blood? ..

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Update Time: 2024-08-02

This template belongs to biology courseware Beijing Normal University Edition Seventh Grade Biology Volume 2 industry PPT template

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