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Vladimir [108]
3 years ago
6

What happens in a weakened respiratory system? Give an example.

Biology
1 answer:
Arturiano [62]3 years ago
3 0

A weakened respiratory system is more prone to getting sick. A good example of this is shown through the pandemic. Those who are elderly or have had respiratory issues before are more prone to getting sick and passing. This is because when your lungs and throat or other parts of your respiratory system do not function properly it can become harder to breathe. There can be pain and clogged airways. Many elderly people diagnosed with corona have been put on oxygen tubes and even passed.

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What are the advantages to using artificial blood?
viktelen [127]

The advantages of artificial blood are as follows -  

a) It is easy to produce large amount of artificial blood and thus it helps in reducing the blood shortages.

b) The chances of spreading a disease through blood are also reduced as the blood is made in a safe and secure place. Also the full history of artificial blood is known to the doctors.  

6 0
3 years ago
Read 2 more answers
Match each organism with its phylum Pines Ephedra Palm-like plants Trees with fan-shaped leaves A. Gnetophyta B. Ginkgophyta C.
solong [7]

Answer:

Ginkgophyta

Explanation:

Gymnosperms are cone-bearing trees or Woody plants, which do not different greatly in their structure from the Woody angiosperms. Gymnosperms do not produce flowers but as seed plants that bear their seeds on scale-like leaves which are arranged spirally to form cones. The seeds are termed naked seeds because they are exposed to the air on the surfaces of the cone scales.

Gymnpsperms are grouped into four major divisions namely:

*Ginkgophyta

*Cycadophyta

*Corniferophyta

*Gnetophyta

1)DIVISION GINKGOPHYTA:The ginkgo tree cared maiden hair is the only surviving member of this division. It is found in the Orient(China and Japan) where it is cultivated as an ornamental tree because of the fan-like leaves. The leaves are *fan-shaped* with long petrioles.

2)DIVISION CYCADOPHYTA:The cycads abound in the tropics, mainly as ornamental plants. They are *palm tree-like* plants with a crowded crown of palm fronds.The leaves of Cuba's are deep green,waxy with large petioles.

DIVISION CONIFEROPHYTA:This is the largest group of Gymnosperms as it includes some of most economically exploited plants such as *pines* and Jupiter's. The pine tree is important as Christmas tree and conifers are generally important in the production of wood and paper

DIVISION GNETOPHYTA:This is the group of very unique Gymnosperms made up of three genera:Gnetum,*Ephedra* and Welwitschia.

Ephedra is a profusely branched shrub found in desert regions. It has whorl-like, scale-like, or needle -like leaves and jointed stem.

Hence, matching each with its phylum, we have:

Gingkophyta:Fan-shaped leaves

Cycadophyta-Palm-like leaves

Coniferophyta:Pine

Gnetophyta:Ephedra

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Cell division in prokaryotes Is called ___________.
Hatshy [7]
Binary fission I think
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Extinction is a naturally occurring phenomenon. scientists now worry more about extinctions because _____.
CaHeK987 [17]
<span>organisms cannot adapt faster than rates of extinction</span>
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How do eagles reproduce?
e-lub [12.9K]

Answer: Eagles mate sexually.

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