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Reproduction and Growth - Coggle Diagram

- - - - Sudden increase of height, Shoulder become broader, voice gets deeper, Hair starts to grow under the arms, on the legs, on the face and between the legs. Skin may become oily and pimples may develop on the face, the penis grows longer, the testicles becomes bigger and produces sperm cells, Erection happens due to an increase in hormones, the penis becomes stiff and hard.
      - Sudden increase of height, the waist becomes smaller, hip becomes wider, Hair starts to grow under the arms, on the legs and between the legs Skin may become oily and pimples may develop on the face, Breasts grow bigger and fuller, Ovaries will start to release egg cells and menstruation.
    - - Many of us may be more conscious about our body parts. We can become more sensitive. We may experience strong and intense feelings. Our mood may also change abruptly. This may affect our interactions with friends, and even our parents.
    - - can be affected by
        
        Vitamin D deficiency, Iron deficiency, Protein Deficiency and lack of carbohydrates and fats
        
        Turner syndrome, Hypothyroidism, Down syndrome
- - - - The sperm cell is the smallest cell in the body. The head of the sperm contains enzymes which help to break down the outer coating of the egg membrane so that the sperm can enter the egg cells. The sperm cell contains half of the genetic information needed to form an offspring.
        
        Penis has parts that include: Seminal vesicle, urinary bladder, sperm duct, urethra and testis.
  - - - The egg cell is the largest cell in the human body. Egg cells also contain half the genetic information required to form an offspring. Like sperm cells, all the genetic information in an egg can be found in its nucleus.
  - - - embryo
        
        implantation
        
        foetus