Answer:
1.The pleural cavity aids optimal functioning of the lugs during breathing. It transmits movements of the chest wall to the lungs, particularly during heavy breathing. The closely approved chest wall transmits pressures to the visceral pleural surface and hence to the lung (10-19.
2.The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarge.
Explanation:
Cholera, its a water borne disease.
Answer:
The correct answer is option b, that is, injection of antibodies to the toxin.
Explanation:
In countries like the United States, the cases of snake bites are very common. The effect of the bite of the snake depends on the fact that whether it is venomous or harmless. Even a bit of a harmless snake can result in allergic reactions. On the other hand, the bite of venomous snakes is considered deadly and needs to be treated as a medical emergency.
A bite from a poisonous snake can lead to different kinds of symptoms like convulsions, localized pain, and inflammation, paralysis, and nausea. In case, if the severity of the bite is more, that is, if the condition is life-threatening, a doctor may use antivenom. Antivenom is a form of antibodies produced to tackle the symptoms of poisonous snake bites. The administration of antivenom is required to be done as quickly as possible to get the desired result.
Genotype :
AA : Aa : aa = 1 : 2 : 1
Phenotype
tall : short = 3 : 1