Cell wall protects the cell from bursting or shrieking. (maintains the shape of a cell) While cell membrane regulates the entry of substances into the cell and exit from the cell wall.
Because through natural selection, only the fittest survive. when the fittest come together and reproduce then the species continues and evolves with only the fittest and strongest genes.
Maintaining a healthy lifestyle through diet and exercise is important because the world is rapidly advancing and this rapidness has brought many health concerns. Today's lifestyle is extremely stressful for any age group and without proper diet and exercise, one cannot cope up with his/her daily routine.
<h3>Benefits of Diet and Exercise:</h3>
- It helps in dietary nourishment and proper intake of nutrients.
- Exercising keeps a check on calorie intake.
- Proper supplements with exercise helps in muscle development and removal of bad body fat.
- A person with a good diet and regular exercise can attain good physical and mental well-being.
To learn more about maintaining a healthy lifestyle through diet and exercise, refer:
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Answer:The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
Explanation:
