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Adriene 24-06-18 16:42 view153 Comment0

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v2?sig=b5ca6f93fae4cc6f03021200abd2348ad5a5e1e2e05b662e3b777e50467436c1Saliva isn't considered the dirtiest substance in the world. While it contains bacteria, viruses, and other microbes, study funds it plays an essential role in digestion an
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How many hours of REM sleep do humans get a night?

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On average, adults spend around 1.5 to 2 hours in REM (rapid eye movement) sleep each night, which is about 20-25% of total sleep time. REM sleep is important f
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What is a scab made of?

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A scab is made of dried blood, platelets, and other immune system cells that work together to form a protective crust over a wound. This helps to prevent infect
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How many genes are found on each of your chromosomes?

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Humans have 22 pairs of autosomes and one pair of sex chromosomes (XX for females, XY for males). Each autosomal pair contains approximately 1,000-2,000 genes,
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How are bacteria helpful to humans and what are some examples?

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Bacteria are helpful to humans by aiding in digestion, producing vitamins, and supporting the immune system. Examples include gut microbiota that help with dige
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Can sperm cells still impregnate after washing them off with soap and water but not sure if it is washed thoroughly?

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It is not recommended to rely on washing sperm cells off with soap and water as a method of contraception. Sperm cells are very resilient and even a small amoun
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Is an organ system or a organ more complex?

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An organ system is more complex than an organ because it is made up of multiple organs working together to perform a specific function. Organs are individual st
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In what part of the female reproductive tract do the sperm and egg meet?

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The sperm and egg meet in the fallopian tube, where fertilization typically occurs. The egg is released from the ovary and travels down the fallopian tube, wher
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What education do you need to be a miner?

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To become a miner, a high school diploma or GED is typically required. Some positions may require technical or vocational training in mining-related fields, suc
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The human male gamete is called a sperm cell and is produced in the?

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The human male gamete is called a sperm cell and is produced in the testes. It is formed through the process of spermatogenesis, where male germ cells undergo m
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What is polydactyly?

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Polydactyly is a condition where a person or animal is born with extra fingers or toes. It can occur in varying degrees, from a small extra piece of skin to ful
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How was the first germ discovered?

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The first connection between germs and disease was made by Antonie van Leeuwenhoek in the 17th century when he observed microorganisms under a microscope. Louis
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People have 46 chromosome in each their cells how many are in their gametes?

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Gametes, such as sperm and egg cells, have half the number of chromosomes found in somatic cells. Therefore, human gametes have 23 chromosomes each.

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