Answer:
Option (e).
Explanation:
Nervous system is one of the most important systems of the organism that helps them to respond them towards the environment. The nervous system includes the brain, spinal cord and all the neurons.
Nervous system is present in highly complex organism and increases in complexity in case of higher animals. Lower animals do not have nervous system but still they respond to their environment with the help of chemical and receptor. Hence, all the animals have the ability to respond towards the environment.
Thus, the answer is option (e).
Answer:
Option-B
Explanation:
In the given question, the condition of the person is mentioned which says that he felt breathless while walking and later while lying down.
The most probable reason for the condition in the give question is that this condition is the result of the failure of the left side of the heart as the left side of the heart that is right atrium receives the oxygenated blood from the lungs and then left ventricle pump the blood to the body.
Since the person is not able to breathe therefore the volume of the lungs is occupied by something in the given case is blood due to the failure of the left heart.
Thus, Option-B is the correct answer.
So im guessing your asking that we need to consider those 3 things when exercising right? well if hat is what you are asking then this is my answer but i dont care if you use it well we need to consider traffic when we are exercising because if we are running one way and we don't look both ways then we will probably get hit by a car we need to consider pollution when exercising because if we breathe in toxic chemicals theres a chance we could die and lightning because we could get struck by it if we are not careful .... wait you said lighting well lighting is important when we exercise because we could think we see no cars and then a car comes out of no where and bam splat you aredead
there you go hope this helps:)
