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First-year biology ppt
The analysis of senior one biology test paper and the main contents of teaching suggestions.

Chapter Two and Chapter Five: teaching material analysis and Teaching Suggestions.

Third, the main teaching and research activities this semester

Composition of healthy circulatory system

Composition of blood circulation system

Composition of blood Section 1 Transport of substances in plants

Main knowledge points and teaching requirements:

[Experiment] The transportation of red ink in stems and leaves was observed.

Structure of Poplar Stem (Cross Section)

Composition structure of bark

Structural characteristics and functions of catheter

Structural characteristics and function of sieve tube

Causes of tumor formation in trees

Structural characteristics of stems of herbaceous plants

[Experiment] The transpiration of plant water was observed.

The Concept and Significance of Transpiration

Formation of annual rings

The expression and writing of key nouns and terms must be standardized, and attention should be paid to distinguishing confusing concepts.

The fundamental reason why students can't study, analyze and solve problems independently is the problem of teachers' teaching methods. It is necessary to improve the teaching level, establish advanced teaching concepts, change backward teaching methods and means, and fundamentally change these problems in teaching;

Young teachers should first solve the problem of organizing teaching.

Comparison of three kinds of blood cells

Blood type and blood transfusion

【 Experiment 】 The blood flow of caudal fin was observed.

Functions of Three Kinds of Blood Vessels and Their Adaptability to Functions

【 Experiment 】 Observe the shape and structure of the heart.

Identify the structure of the heart (read the picture)

Heart rate, blood pressure, pulse

Ways and significance of systemic circulation and pulmonary circulation

Anemia, leukemia, coronary heart disease, hypertension

Composition and function of lymphatic system