Dragomilov Laboratornaja Rabota 6 Spishi.ru: 8 Klass Biologija

In the 8th-grade biology textbook by Dragomilov and Mash, Laboratory Work №6 is typically titled (or focuses on cardiovascular/respiratory responses like heart rate).

Based on common curriculum standards found on educational platforms like Infourok , here is the standard structure and answers you would find for this lab. In the 8th-grade biology textbook by Dragomilov and

Sit quietly for 2–3 minutes. Measure your pulse for 15 seconds and multiply by 4. Example: 18 beats in 15 sec × 4 = 72 bpm . Activity: Perform 20 deep squats in 30–40 seconds. Measure your pulse for 15 seconds and multiply by 4

Depending on your specific edition of the textbook, Laboratory Work №6 might alternatively be "The Composition of Inhaled and Exhaled Air." If your lab involves limewater and blowing through a straw, the answer is that exhaled air turns limewater cloudy because it contains more carbon dioxide than atmospheric air. Depending on your specific edition of the textbook,

Laboratory Work №6: Changes in Heart Rate (HR) During Physical Activity

Sit down and measure your pulse again after 3 minutes of rest. Example: 75 bpm . Conclusion/Answers:

To observe how physical stress affects the circulatory system and determine the rate of recovery. Equipment: A stopwatch (or a watch with a second hand). Procedure and Typical Results: