PH range of human body?
VerifiedAnswer: 7.35-7.45
Explanation:
The human body maintains a very specific pH range of 7.35 to 7.45 in blood and other body fluids. This narrow range is crucial for your survival because even small changes can affect how your body functions. The pH scale measures how acidic or basic a substance is, ranging from 0 (most acidic) to 14 (most basic), with 7 being neutral.
Since the normal pH range is above 7, your body is slightly alkaline or basic rather than acidic. This alkaline environment is essential for proper enzyme function, protein structure, and cellular processes. Your body works incredibly hard to maintain this precise balance through various regulatory mechanisms.
Your body uses several buffer systems to keep pH stable:
• Bicarbonate buffer system: This is the most important buffer in your blood, involving carbonic acid and bicarbonate ions that quickly respond to pH changes
• Protein buffers: Amino acids in proteins can accept or donate hydrogen ions to maintain pH balance
• Phosphate buffer system: Important for maintaining pH inside cells and in urine
Your lungs and kidneys also play vital roles in pH regulation. When your blood becomes too acidic, your lungs increase breathing rate to remove excess carbon dioxide. Your kidneys can eliminate excess acids through urine or retain bicarbonate when needed. This process helps maintain the delicate pH balance your body requires.
When pH falls below 7.35, the condition is called acidosis, which can cause fatigue, confusion, and breathing problems. When pH rises above 7.45, it's called alkalosis, leading to muscle twitching, nausea, and dizziness. Both conditions can be life-threatening if severe, which shows why maintaining the 7.35-7.45 range is absolutely critical for your health and survival.
