| Term 
 
        | Pineal Gland is found where? |  | Definition 
 
        | on the 3rd ventricle of the brain |  | 
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        | Term 
 
        | The pineal gland secretes what? |  | Definition 
 
        | melatonin: Helps establish the body’s wake and sleep cycles |  | 
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        | Term 
 
        | The thymus is located where? |  | Definition 
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        | Term 
 
        | What hormone does the thymus gland produce and what is its function? |  | Definition 
 
        | •Produces thymosin   •Matures some types of white blood cells •Important in developing the immune system |  | 
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        | Term 
 
        | Estrogens stimulate what? |  | Definition 
 
        | the development of secondary female characteristics   •Mature female reproductive organs |  | 
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        | Term 
 | Definition 
 
        | Acts with estrogen to bring about the menstrual cycle •Helps in the implantation of an embryo in the uterus   •Helps prepare breasts for lactation |  | 
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        | Term 
 
        | Endocrine Function of the Placenta |  | Definition 
 
        | •Produces hormones that maintain the pregnancy   •Some hormones play a part in the delivery of the baby |  | 
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        | Term 
 
        | Menopause is brought about by lack of efficiency of the what? |  | Definition 
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        | Term 
 
        | What happens to growth hormone production with age? |  | Definition 
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