How often does your body replace the equivalent of the skeletal system?

1 answer:

6 0

As cells die, and reproduce from time to time, educational references show that every seven years, all cells have been replaced and considered as brand new. This also applies to the skeletal system. However, this statement is still not verified by health researchers.

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Cells with half the number of chromosomes as the original cell are formed by what process?

alina1380 [7]

Answer:

Meiosis.

Explanation:

Humans have Diploid cells in our normal cells. However, sex cells contain Haploid cells. To make sex cells or gametes, meiosis needs to be performed(which multiplies the DNA and splits it into 4 daughter cells).

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2 years ago

What is a group of specialized cells called when they work together to perform a specific function? (5 points) Atom Organ Organ

Mrac [35]

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3 years ago

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Why is labia majora called as the "outer lip"?

Colt1911 [192]

The labia are two folds of the skin that meet above the vaginal opening. The inner fold (inner lip of the vagina) is known as labia minora, and the outer fold (outer lip of the vagina) is known as labia majora.

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3 years ago

1. Tissue

dlinn [17]

Answer:

The correct order from smallest to largest are: Molecule, Cell, Tissue, Organ, Organ system and Organism.

Explanation:

Molecule : They are very small particles or substance specially at both structural and cellular level. These are made up of two or more atoms which are held tightly by strong chemical bonds. The four important molecules of life are proteins, carbohydrates, lipids and nucleic acids.Without any of these molecules,survival of organisms and cells is very difficult. These molecules are very important in both the ways structurally as well as functionally.
Cell :Cell is the most important, structural and functional unit of life. A cell is blessed with a capacity to carry out the main functions like nutrition, excretion and respiration. Cell is the important membrane bound unit that includes fundamental molecules of life of which all living organisms are made up of. A single cell is sometimes a complete organism in itself like bacterium or yeast. The four main types of cells are Epithelial cells, nerve cells,muscle cells and connective tissue cells.
Tissue : A tissue is an assembly of similar cells and their extracellular matrix belongs to the same origin which combines together and carry out a specific function. Organs are the formation of functional groups of multiple tissues.There are four main types of tissue: muscle, epithelial, connective and nervous. Each is made up of special cells which are combined together depending on their structure and function. Example of connective tissue include fat & loose connective tissue
Organ : An organ is a self contained cluster or sets of tissues which perform a specialised functions in the body.Two or more organs are working together in order to perform a special body functions forming an organ system also known as body system.When organs began to shut down, person will feel drowsy and starts losing consciousness. When the heart and lungs stop working body also dies. Heart rate changes. Pulse becomes fast or irregular.
Organ System: An organ system is a set/ cluster of organs which are working together to perform a certain function in the body of an organism.The 11 organ systems of the body are integumentary, muscular, nervous, circulatory, lymphatic, respiratory, endocrine, urinary, reproductive and digestive
Organism: It is a creature like plant, animal or single cellular life form in comparison to a living creature. They reacts to stimuli, reproduce grow and also play a main role in homeostasis. It can be virus, bacteria, protist, fungi or animal.

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3 years ago

What is one of the reasons why Gregor Mendel chose to study

Tcecarenko [31]

Gregor Mendel was the father of the field of genetics, which seeks to explain how traits are passed on from one generation to the next.
To study genetics, Mendel chose to work with pea plants because they have easily identifiable traits.

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3 years ago