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finlep [7]
3 years ago
8

Do you think there is a relationship between heart rate and blood flow?

Biology
1 answer:
zaharov [31]3 years ago
7 0

Yes, there is a relationship between heart rate and blood flow.

<u>Explanation:</u>

The relation ship between the heart rate and blood flow is that with the increase in heart rate, the flow of the blood also increases but the increase in the flow of the blood is not as fast as the rate of beating of heart increases in comparsion.

Even though the heart is beating more times in a minute, healthy blood vessels get larger amount of blood to flow in an easier way when heart beat gets faster.

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Why are chloroplasts more on one side of a cell than the other
vaieri [72.5K]

You would be referring to the <em>plant </em>cell.

Answer:

Chloroplasts may be seen on all six sides of a plant cell, which is a three-dimensional entity with typically moderately rounded corners (not in the centre because a big central vacuole fills a very large part of the volume). Chloroplasts are constantly being rearranged by the cell since they are not set in place. Chloroplasts are typically located close to so-called periclinal cell walls, which are oriented in the same 2D orientation as the leaf surface under low light. Chloroplasts seem to "escape" to the anticlinal walls in bright light. Better light harvesting in low light by exposing every chloroplast to light and photoprotection by mutual shading in strong light are likely the fitness benefits provided by this behavior. In the dark, chloroplasts also gravitate toward the anticlinal walls. Thin leaves of submerged aquatic plants like Elodea can be used as microscope specimens to observe chloroplast motions. One can gauge how much light gets through a leaf in land plants. What I just said concerning the top layer(s) of leaves' "palisade parenchyma cells" is accurate. Most of the chloroplasts are found in these cells. Numerous cells in the spongy parenchyma under the palisade layer lack well marked peri and anticlinal walls.

<h2>How did plant cells incorporate chloroplasts in their DNA?</h2>

Chloroplasts must reproduce in a manner akin to that of some bacterial species, in which the chloroplast DNA is duplicated first, followed by binary fission of the organelle (a kind of protein band that constricts so that two daughter organelles bud off). As a result of some chloroplast DNA actually being integrated into the plant genome (a process known as endosymbiotic gene transfer), it is now controlled in the nucleus of the plant cell itself.

8 0
1 year ago
The respiratory system allows for gas exchange to happen in the lungs. How does the respiratory system affect the cardiovascular
strojnjashka [21]
The answer is B.The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.
8 0
3 years ago
Why would a fish with faulty valves in its conus arteriosus probably suffer from a lack of energy?
d1i1m1o1n [39]

A faulty conus arteriosus  would compromise on an effective gaseous exchange that keeps the blood of the fish oxygenated for respiration of tissues. The conus arteriosus is one of two accessory chambers found in most fish with two-chambered hearts. The primary function of the conus arteriosus is to prevent the backflow of blood and keep a steady flow of blood into the ventral aorta and the gills.






5 0
3 years ago
What is the grid method best used for
ICE Princess25 [194]

Answer:

The grid method is best used in large crime scenes such as fields or woods.

Explanation:

Several searchers, or a line of them, move alongside each other from one end of the area to be searched to the other.

8 0
2 years ago
What does homeostasis means in biology?
diamong [38]

A relatively constant internal physical and chemical conditions that organisms maintain.

5 0
3 years ago
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