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Which statement is true?

A. Heart beats only sometimes in our life.

B. Blood carries hydrogen to all parts.

C. We get energy from food.

D. Digestion is the process with which we throw our body wastes out.

  • a)
    Heart beats only sometimes in our life.

  • b)
    Blood carries hydrogen to all parts.

  • c)
    Digestion is the process with which we throw our body wastes out.

  • d)
    We get energy from food.  

Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which statement is true?A. Heart beats only sometimes in our life.B. B...
A. False - The heart beats continuously.
B. False - Blood primarily carries oxygen, not hydrogen, to body parts.
C. True - We derive energy from food.
D. False - Digestion breaks down food for nutrients; waste removal is a separate process.
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Community Answer
Which statement is true?A. Heart beats only sometimes in our life.B. B...
Explanation:

Heart beats only sometimes in our life:
- False. The heart beats continuously throughout our life to pump blood and circulate oxygen and nutrients to all parts of the body.

Blood carries hydrogen to all parts:
- False. While blood does carry oxygen, nutrients, hormones, and waste products to various parts of the body, it does not specifically carry hydrogen to all parts.

We get energy from food:
- True. Our body gets energy from the food we eat. The process of breaking down food into energy is known as metabolism.

Digestion is the process with which we throw our body wastes out:
- False. Digestion is the process of breaking down food into nutrients that our body can absorb. The waste products are then eliminated from the body through the process of excretion.
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Which statement is true?A. Heart beats only sometimes in our life.B. Blood carries hydrogen to all parts.C. We get energy from food.D. Digestion is the process with which we throw our body wastes out.a)Heart beats only sometimes in our life.b)Blood carries hydrogen to all parts.c)Digestion is the process with which we throw our body wastes out.d)We get energy from food.Correct answer is option 'D'. Can you explain this answer?
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