The onset of puberty in females triggers the shedding of unfertilised eggs and the LINING OF THE UTERUS. The lining of the uterus is shed each month if the mature egg is not fertilized. This process is called menstruation. The first menstrual period a young girl will have marks menarche.
Specialized hormones such as progesterone and estrogens play a vital role in the development and shedding of the lining of the uterus in each menstrual cycles.
depression is kinda a mood but also a feeling it is amix of a bunch of emotions like anger sadness and fear soemtimes it can easily be mistaken for ptsd
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The oxygen enters the bloodstream from the alveoli, which are tiny sacs in the lungs where gas exchange takes place. The transfer of oxygen into the blood is through simple diffusion. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries and starts with high concentration but fades to low concentration.
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Rugby is a contact sport that is played between two opposing teams made up of 15 players each, with the aim of taking an oval ball to the rival's goal line. The ball cannot be passed forward, but always backwards, so it is important that the players have forward strokes to advance with the ball, which can be touched with any part of the body, although in the game the hands are mostly used. At the same time, it is a very hard and rough sport, since impacts through tackles are the main form of defense, with which there are usually certain injuries in the development of matches.
It is a sport of British origin, although it is also very popular in France, Oceania and Argentina. Being such a massive sport, it does not allow us to discover a culture so deeply rooted in the sport itself, although the chivalry of the game is a factor attributed to British culture.
D) hormone and glandular secretions
