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olga_2 [115]
2 years ago
5

In closed circulatory systems, how are nutrients and oxygen transported from the blood to body cells? Does this transport occur

in all parts of the system? Explain.
Biology
1 answer:
RUDIKE [14]2 years ago
5 0

Answer:Through the collective work of active transport, osmosis and diffusion.

Explanation:

these transport occure through plasna membrane.

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Which of the following statements is true?
Lelu [443]

Answer:

The true statement is: "Spring tides are the highest, while neap tides are the lowest."

Explanation:

  • The range of difference in the level of water between high and low tide is always larger in spring tide.
  • Neap tides are the moderate tides. It does not have huge difference in higher and low tides because the bulging of the ocean ( by the sun)  balances the bulge of the ocean caused by the moon.
  • This balance is not found in spring tides that is the main reason for spring tides to have the highest level for both higher and lower tides.
8 0
3 years ago
"tobacco smoke is responsible for what percentage of lung cancer deaths?"
-BARSIC- [3]
It has been estimated that active tobacco smoking causes close to 90% of lung cancer cases and is the cause of 87% of lung cancer deaths.
7 0
2 years ago
When Mr. Valdez thought his 1-year-old daughter had fallen down the stairs, his heartbeat accelerated, his blood pressure rose,
prohojiy [21]

Answer:

Sympathetic Nervous System.

Explanation:

Sympathetic nervous system is one of the parts of Autonomic nervous system and the other part is Parasympathetic nervous system.

As a whole the autonomic nervous system controls the unconscious responses of our body.

The main function of the Sympathetic nervous system is to stimulate the 3F response of the body. Here 3F refers to Fight, Flight and Freeze. Adrenal gland is stimulated by this system which secretes adrenaline. Due to the effect of adrenaline heart neat increases, blood pressure increases, pupils dilate, sweat glands are activated, peristalsis in the gut is inhibited, and kidney secretion increases.

3 0
3 years ago
Why does the amount of water that flows in a river change during the year?
Alex
There are multiple factors that influence the amount of water that flows in a river.
1. A factor upstream like rain can cause the water level downstream to rise for a short period in time.
2. A blockage in a runoff stream can cause the main rivers water level to rise due to the lack of available runoff path for the water to take.
3. Also the melting of snow can cause the water level to rise as well.
7 0
3 years ago
Find all the hidden words related to earthquake in the grid below​
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You didnt upload a picture so how are we supposed to see a graph?
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3 years ago
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