Flora is plant life; fauna refers to animals. Fauna derives from the name of a Roman goddess, but the handiest way to remember flora and fauna is that flora sounds like flowers, which are part of the plant world, and fauna sounds like fawn, and fawns are part of the animal kingdom. Definitions of fauna.
The testes and ovaries, or gonads, are perhaps the most familiar endocrine glands. In males, testes produce sperm and secrete the male sex hormone testosterone; in females, ovaries produce eggs and the female hormone estrogen.It is these hormones that determine secondary sex characteristics like muscle mass and facial hair. They also help to orchestrate sperm production, menstruation and pregnancy.he testes and ovaries, or gonads, are perhaps the most familiar endocrine glands. In males, testes produce sperm and secrete the male sex hormone testosterone; in females, ovaries produce eggs and the female hormone estrogen.
it  produce Thyroxine, T3, and Calcitonine hormones. The butterfly  shaped gland in the lower part of the neck. Its â¦ main job is to  secrete hormones that control the metabolism of the cells in your  body. Known as one of the body's master glands, the thyroid's  primary purpose is to produce hormones.hen the thyroid receives  thyroid stimulating hormone (TSH) from the pituitary gland, it  produces triiodothyronine which is commonly referred to as T3, and  thyroxine which is commonly referred to as T4. These hormones  regulate the metabolism, protein synthesis and sensitivity to other  hormones in the body.