If we hold our breath for a long time, CO2 levels are likely to and the pH of body is fluids is likely to:
Correct answer: A. Increase, decrease
- A. Increase, decrease
- B. Increase, increase
- C. Decrease, increase
- D. Decrease, decrease
Explanation
If we hold our breath for a long time, then due to increased metabolic actvity CO2 level will increase and pH will decrease. Resulting in difficulty in transport of oxy throughout the body
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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