Biology 8 Lesson 66: Review – Summary
1. Summary of theory
1.1. General knowledge chapter 7: Lessons
1.2. General knowledge chapter 8: Da
1.3. General knowledge chapter 9: Nervous system and senses
1.4. Overview of knowledge chapter 10: Endocrine
1.5. General knowledge chapter 11: Reproduction
2. Illustrated exercise
Lesson 1: How does the body respond to changes in the surrounding environment to ensure its survival and development? Give an illustrative example
Mechanisms respond to changes in the surrounding environment to survive and develop by reflex mechanisms.
For example, when it is hot, the body responds by dilating the capillaries under the skin, sweating to increase heat loss to keep the body temperature normal. On the contrary, when it is cold, the pulse constricts, the skin tightens (goosebumps) to reduce heat loss, and at the same time increases heat production by muscle vibration (tremor). In humans, in addition to natural reflexes, it is necessary to know how to use supporting means such as using fans, air conditioners, heaters…
Lesson 2: How does the body regulate physiological processes that occur normally at all times and in all places?
– The regulation of physiological processes takes place normally according to the needs of the body at any time, in each place thanks to the mechanism of regulation and coordination of the sympathetic subsystems and the activity of the endocrine glands. under the control of the nervous system.
– For example, when working, heart rate increases, breathing fast, people hot, sweating profusely…, at rest, all activities gradually return to normal.
3.1. Essay exercises
Question 1: What physiological mechanisms does the body have to ensure the stability of the environment in the body?
Verse 2: What should be paid attention to in order to avoid unwanted pregnancy or not to have an abortion in the teenage years?
Question 3: Present the unity in all living activities of the body through some self-chosen examples.
3.2. Multiple choice exercises
Question 1: Which of the following organs does not have an excretory function?
B. Small intestine
Verse 2: Studies have shown that ADH is a hormone that increases reabsorption in the distal and collecting tubules. Why do you urinate more when drinking beer?
A. In beer, there are inhibitors of ADH production.
B. Beer contains substances that stimulate the production of ADH.
C. Beer contains only water, so it’s easy to excrete.
D. Beer has substances that stimulate blood filtration in the glomeruli.
Question 3: The composition of the first urine includes inorganic and organic salts, some small molecule proteins, urea, uric acid, CO2… What causes kidney stones?
A. Crystallization of inorganic and organic salts in urine.
B. Due to virus invasion, they recrystallize into pebbles.
C. Due to the growth of cancer cells.
D. Small molecule proteins crystallize to form stones.
Verse 4: Which of the following correctly describes the order of parts in a functional unit of the kidney?
A. Glomerular and glomerular cysts, proximal tubules, distal tubules, urinary bladder.
B. Blood vessels, proximal tubule, distal tubule, collecting duct.
C. Blood vessels, proximal tubule, distal tubule, bladder.
D. Glomerular and glomerular cysts, proximal tubules, distal tubules, collecting ducts.
Question 5: Which of the following layers does not exist in human skin?
B. Horny scales
C. Subcutaneous fat layer
D. The dermis
After completing this lesson, you should know the following requirements:
- Systematize the knowledge learned in the program
- Students firmly grasp the basic knowledge in the program SH 8
- Practice skills to apply knowledge in practice, the ability to connect knowledge. Ability to think synthetically, generalize and work in groups
- Educating the sense of learning, maintaining body hygiene, preventing disease