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Marizza181 [45]
3 years ago
5

Which chamber of the heart sends oxygenated blood to systemic circulation when it contracts?

Biology
1 answer:
leonid [27]3 years ago
5 0

The left ventricle pumps oxygenated blood into systemic circulation

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The mechanical stress applied to bones during moderate physical exercise leads to
Vadim26 [7]

Answer;

-Bone tissue becoming stronger.

The mechanical stress applied to bones during moderate physical exercise leads to bone tissue becoming stronger.

Explanation;

-Bones and muscles both become stronger when muscles push and tug against bones during physical activity.Swimming and bicycling are not weight-bearing activities, so they do not directly help build bones. But swimming and bicycling do help build strong muscles, and having strong muscles helps build strong bones.

-Weight-bearing physical activity causes new bone tissue to form, and this makes bones stronger. This kind of physical activity also makes muscles stronger. Bones and muscles both become stronger when muscles push and tug against bones during physical activity.

8 0
2 years ago
N the early 1900's a scientist hypothesized a link between DNA and the production of proteins in the cytoplasm. However, the fac
Dovator [93]

The plasma membrane or the cell membrane is the one that protects the cytoplasm of a cell. It is mostly composed of lipids and proteins. It has a phospholipid bilayer that controls the entering and exiting of molecules in the cell and at the same time, provides protection for the cell or plasma membrane. It has polar head and a nonpolar tail. Proteins embedded within the phospholipid bilayer have the same function of the plasma membrane that includes selective transport. The phospholipid bilayer consists mainly of the lipid molecules.

7 0
3 years ago
A carbon atom with 6 protons and 8 neutrons is known as
Volgvan
It is a mass of 14 (brainlist me pls)
7 0
2 years ago
6 effects of weeds on crops​
garri49 [273]

Answer:

<em>1. They effect crop productivity</em>

As weeds start to grow in the area where the crops were destined to grow, the production of the crops gets lowered.

<em>2. They deplete the crops from nutrition</em>

The weeds will compete with the crop plants for resources such as minerals from the soil.

<em>3. They will deplete water resources</em>

The weeds will compete with the crop plants for water.

<em>4. Sun-light will be depleted</em>

The weeds will complete with the crop plants for sun light.

<em>5. The crop quality will be affected</em>

As the crop plants will be in competition with the weeds, hence their quality will be affected.

6.  <em>They can reduce the biodiversity of crop plants.</em>

4 0
2 years ago
Which process is responsible for compressing successive strata in the earth?
lesya692 [45]

Option B, faulting, is the right answer.

Layers of strata in the crust of the earth usually skim along each other. Seldom resistance or blockage generates this manner to end until enough force builds up to succeed whatever the opposing energy is. Faulting is the manner through which this pressure forces the levels to sustain their action, often creating cracks in the associated strata, and inducing earthquakes and trembling in the development of extreme pressure relief

5 0
3 years ago
Read 2 more answers
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