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Vsevolod [243]
4 years ago
10

How does gas exchange support the body

Biology
1 answer:
LenKa [72]4 years ago
3 0

There are exchanges that happen continuously in our bodies. One exchange is the gas exchange, or respiratory, system. This is the system where carbon dioxide is released from the lungs into the air, and oxygen is taken into the lungs from the air. This exchange happens in the air sacs of the lungs called the alveoli.

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Because the walls of the ____________ pulse whenever the left ventricle contracts, the pulse rate generally indicates the ______
Travka [436]
Because the walls of the arteries pulse whenever the left ventricle contracts, the pulse rate generally indicates the cardiac function, which is normally between 50 and 85 in a healthy adult.
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The four threats to great white shark populations on earth
kirza4 [7]

Answer:

The four threats would be Poaching,Nets, Pollution,Costal development, and or hunting as well.

Explanation:

Sorry If I am Wrong.

8 0
3 years ago
Classify each description as a property of dna only, rna only, or both dna and rna. note: if any part of this question is answer
DanielleElmas [232]
It is only DNA which contains sugar deoxyribose, has primary function storing, transferring genetic information and double-stranded. RNA it only directs code for amino acid which contains the uracil base and it is found throughout the cell.
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6 0
4 years ago
Read 2 more answers
Plz help
sweet-ann [11.9K]

Ansa million. once you're staring at in ordinary terms one technology, it relatively is, all those fruit flies have been produced via 2 mum and dad, then the only plausible parental genotype that provide you a 50/50 ratio is that if the mummy is XwXw and the father is Xry... this gene is carried on the X chromosome, and w represents white eyes and r represents purple eyes. you are able to bypass forward and draw this out in case you like, even yet it provides 50% heterozygous women individuals (with purple eyes, provided that purple is dominant), and 50% white eyed men, who can in ordinary terms inherit Xw from their mom. The Y that they could inherit from the father could have not any effect on their eye shade. it relatively is comparable for women individuals, they are in a position to in ordinary terms inherit Xw from their mom and an Xr from their father, meaning they'll continually be heterozygous for the attention shade gene. 2. returned, set us the genotypes so which you will visualize it; we are going to say that this disease is carried on the X chrmsm (thats whats usually assumed), and the gene for customary creative and prescient is XB, yet for colorblindness its Xb. those are dominant/recessive to boot. So, if the girl is a provider, her genotype is XBXb, and if the male is colorblind, his genotype is XbY. in case you draw this out in a punett sq., you will get 25% heterozygous woman, 25% colorblind woman, 25% well-known male, and 25% colorblind male. so, there's a 50% risk that any baby they have would be colorblind, 50% risk if its a woman, or 50% risk if it relatively is male.wer:

Explanation:

5 0
3 years ago
Compare the number of eggs to the number of sperm that result from meiosis?
Molodets [167]

Answer:

In the result of meiosis, testes produce 4 small mature sperm while ovaries produce 1 large egg cell.

Explanation:

Meiosis produces gametes (sex cells). Sex cells are eggs in females and sperm in males.

In the female, ovaries produce four haploids (3 polar bodies and 1 immature egg) under meiotic division. Polar bodies die because of the unequal division of cytoplasm. The immature egg matures into a large ovum/egg every 28 days during the menstrual cycle that is able to fertilize.

In the male, meiosis occurs in testes that produce 4 spermatids that mature into 4 small sperms. Testes produce several hundred million sperms every day under meiosis. These sperms are able to fertilize.

Nevertheless, if we want to compare their numbers based on meiotic division, we would say that they will be in the same ratio (1:1) at the end of each meiosis cycle for males and females.

7 0
4 years ago
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