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Brums [2.3K]
2 years ago
11

Which vital sign can be controlled consciously?

Biology
1 answer:
GuDViN [60]2 years ago
6 0

Answer: Respirations

Explanation:

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Answer:

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3 years ago
A spherical bacterial cell has a radius of 3 pm. The human egg cell has a radius of 100 pm.
lara [203]

Answer:

<u>The bacterial cell because it has the largest surface-to-volume-ratio.</u>

Explanation:

The rate of diffusion in and out of a body depends on surface area to volume ratio. The higher the ratio the greater the rate of diffusion and the lower the ratio, the lower the rate of diffusion.

This implies that small organisms like the bacteria cell expose a large surface area to the surrounding when compared to big organism cells. Therefore, small organisms depend on diffusion as a means of transport of foods, respiratory gases and waste products.

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3 years ago
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Explanation:

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7 0
4 years ago
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