The average red blood cell lives for 120 days.
2. There are 2.5 trillion (give or take) of red blood cells in your body at any moment. To maintain this number, about two and a half million new ones need to be produced every second by your bone marrow.That's like a new population of the city of Toronto every second.
3. Considering all the tissues and cells in your body, 25 million new cells are being produced each second.That's a little less than the population of Canada - every second !
4. A red blood cell can circumnavigate your body in under 20 seconds.
5. Nerve Impulses travel at over 400 km/hr (25 mi/hr).
6. A sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 km/hr(60 mi/hr).
7. Our heart beats around 100,00 times every day.
8. Our blood is on a 60,000-mile journey.
Answer:
The correct answer will be option-B.
Explanation:
Photosystem of a plant is complex pigment-protein molecules which absorbs the light energy required for the formation of a glucose molecule.
Two types of Photosystem are present in the plants which are: P₆₈₀ and P₇₀₀. The 680 and 700 denote the wavelength of the light energy absorbed by the pigment of the chloroplast. The electrons get excited only at their absorbing wavelength.
Thus, Option-B is the correct answer.
Richard Neumann and Vincenzo Beltrone delay bad about the government during wartime as their freedoms weren't enjoyed.
<h3>What is freedom?</h3>
It should be noted that freedom simply means the rights that are accorded to an individual
During this period, there were four essential freedoms which are:
- Freedom of speech and expression.
- Freedom of every person to worship God his way.
- Freedom from want.
- Freedom from fear.
During wartime, the fear was in the heart of millions of people. This was illustrated by both men.
Learn more about freedom on:
brainly.com/question/13273450
Answer:
one it must be in direct orbit of the Sun and not be a moon around another body II it must be massive enough for it to have become spherical in shape under its own gravity and unlike a planet it must have not cleared the neighborhood around its orbit
