What are the effects of breathing on the body?

First, the metabolism of the human body must be completed by inhaling the oxygen necessary for metabolism, exhaling the exhaust gas carbon dioxide of metabolism through gas exchange. Second, improve breathing, take appropriate deep breaths every day, make the airway unobstructed, expand the alveoli, improve lung function, let a large amount of oxygen enter the body, improve cardiometabolism, is conducive to the control of blood pressure, and can also relax the body and relieve tension and anxiety.

The effects of breathing on the body are comprehensive.

The main factors influencing respiration are: temperature, oxygen and carbon dioxide concentration.

1. Temperature. The reason why temperature can affect respiration is mainly that temperature affects the activity of respiratory enzymes. Excessive temperature can affect the activity of the enzyme.

In general, within a certain temperature range, the intensity of respiration increases with increasing temperature. Light increases the temperature and promotes respiration; Under strong light, more photosynthetic products are formed, so that the respiratory substrate is sufficient, and it can also promote respiration and facilitate growth.

2. Oxygen concentration. Oxygen is an important factor for normal respiration of plants, and the lack of oxygen directly affects the respiration rate and the nature of respiration. Green plants undergo anaerobic respiration under conditions of complete hypoxia, and the anaerobic respiration products of most terrestrial plant root apical cells are alcohol and CO2.

Alcohol has a toxic effect on cells, so most terrestrial plants cannot tolerate anaerobic respiration for a long time. Anaerobic respiration can usually occur under hypoxic conditions, and the presence of oxygen inhibits anaerobic respiration. The intensity of aerobic respiration increases with increasing oxygen concentration.

3. Nitrogen dioxide concentration. Increasing the concentration of CO2 can suppress respiration. In life, increasing the concentration of CO2 has a good effect on the preservation of vegetables and fruits.

Fourth, the importance of respiration. Respiration can provide energy for the life activities of living organisms, and the respiration process can provide raw materials for the synthesis of other compounds in the body.

The above content reference: Encyclopedia - Plant Respiration.

(1) Temperature: Temperature has the greatest influence on the intensity of respiration. The temperature increases, the respiration is strengthened; If the temperature is too high, the respiration is weakened.

2) Moisture: The water content of plants increases, and respiration is strengthened.

3) Oxygen: Within a certain range, with the increase of oxygen concentration, the respiration effect is significantly enhanced.

4) Carbon dioxide: When the concentration of carbon dioxide greatly exceeds the normal value, it inhibits respiration. When storing vegetables, fruits, and grains, measures such as low temperature, drying, and carbon dioxide filling can extend the storage time.

Applications of respiration

The fermentation process is the fermentation process of fermentation of yeast to produce beer, fruit wine, and industrial alcohol, lactic acid bacteria fermentation to produce cheese and kefir milk, and large-scale production of penicillin by fungi.

With the progress of science and technology, fermentation technology has also developed greatly, and has entered the stage of modern fermentation engineering that can artificially control and modify microorganisms to make these microorganisms produce products for human beings.

As an important part of modern biotechnology, modern fermentation engineering has broad application prospects. For example, DNA recombinant technology is used to purposefully modify the original strain and increase its yield; Microbial fermentation is used to produce pharmaceuticals such as human insulin, interferon, and auxin.

Question 1: What are the factors that affect respiration?

Question 2: What are the external factors that affect respiration In the conditions where oxygen affects respiration, why is it said that when the oxygen concentration increases to a certain extent, it has no effect on respiration? Write a detailed explanation of the cause.

The progress of aerobic respiration, on the one hand, requires the participation of oxygen, on the other hand, the catalysis of enzymes in the mitochondria is also indispensable, no matter how high the concentration of oxygen, without the catalysis of enzymes, aerobic respiration can not be carried out smoothly.

Question 3: What are the factors that affect the strength of plant respiration? Temperature, light, oxygen and carbon dioxide concentration.

Question 4: Factors influencing cellular respiration are determined by genetics enzyme activity. 1. The respiration rate of the same organism is different in different growth and development periods, 2. The respiration rate of different organs of the same organism is different.

3. Different organisms have different respiration rates. Temperature cellular respiration is a series of reaction processes catalyzed by enzymes, so cellular respiration is sensitive to changes in temperature. Within a certain range, cellular respiration accelerates with increasing temperature, but after the optimal temperature is exceeded, cellular respiration will weaken sharply until it stops.

Oxygen concentrationOxygen promotes aerobic respiration and inhibits anaerobic respiration, and the respiration intensity increases with the increase of oxygen concentration within a certain range. Increasing CO2 concentrations or traces of CO2 concentrations have an inhibitory effect on aerobic respiration. In a certain range of water shortage, the intensity of cellular respiration increases with the increase of water content and decreases with the decrease of water content.