NEET Biology question
Statement 1 (Assertion): During physical exercise, the demand of oxygen is increased, which competes the lungs to increase the rate of respiration and heart to increase the blood flow for proper supply of oxygen. Statement 2 (Reason): Coordination is the process through which two or more organs interact and complement the functions of each other.
Answer: (A)
Solution
The assertion correctly describes a real physiological response to exercise (increased oxygen demand driving faster breathing and greater blood flow), and this coordinated response between the lungs and heart
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