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Kazeer [188]
3 years ago
7

Relate the structure of the root,root hair,xylem and phloem to their function​

Biology
1 answer:
QveST [7]3 years ago
4 0

xylem is transported minerals and water soil to in all plants part.

But pholem is make photosynthesis and transported in plants part.

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some vaccines are made from fragments of diseases-causing microorganism, rather than the whole cell or virus. Sta the advantage
sveta [45]
<span>After immunizations, the weakened vaccine viruses or bacteria replicate (grow) in the vaccinated person. This means a relatively small dose of virus or bacteria can be given in order to stimulate an immune response.</span>
8 0
3 years ago
1. Explain the function of white blood cells in the body.
Wittaler [7]

Answer:1. White blood cells are part of the body's immune system. They help the body fight infection and other diseases.

2. Red blood cells have adaptations that make them suitable for this.

3. The blood would not clot in case of an injury.

4. Blood supplies essential substances and nutrients.

Explanation: 1. White blood cells are able to recognize viruses and/or infectious germs, which is how they fight off disease/sickness. It is also why we have vaccines. Vaccines put either dead or weakened parts of a germ into your body. Then, the white blood cells recognize it and fight it off the next time it enters your body.

2. They contain hemoglobin, a red protein that combines with oxygen. They have no nucleus so they can contain more of the hemoglobin. they are small and flexible so that they can fit through narrow blood vessels.

3. This will lead to excess blood loss and can even lead to the death.

4. Such as as sugar, oxygen, and hormones to our cells. It also carries waste away from the cells, this waste is eventually flushed out of the body in urine, feces, sweat, and lungs.

3 0
2 years ago
_____ is an essential lung-coating substance that keeps air sacs from collapsing.
lakkis [162]
The answer is surfactant
7 0
3 years ago
What disease is caused by misshaped red blood cells that prevent oxygen from properly reaching other parts of the body?
NikAS [45]
One of the possible answers is sickle cell.

8 0
3 years ago
If water molecules inside and outside of a cell became non polar , how would the transport of materials in and out of the cell b
postnew [5]
<h2>Answer:</h2>

The water will move in and out freely. The material transport which is due to the water transport will be affected.

<h3>Explanation:</h3>
  • Water is a partially polar molecules. Many ionic compounds and ions travel inside and outside the cell due to attachment with water molecule.
  • As well as water movement is controlled due to its polar nature through cell membrane. and the cytoplasm and outer environment is separate due to non polar cell membrane.
  • If the water become non polar then the movement through cell membrane will be easy for water. And the molecules dissolved in water will also be transported uncontrollably.

4 0
3 years ago
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