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Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1.Different phases of human development are called stages.
2. is the period of transition from childhood to adulthood.
3. are called primary sex organ of the male.
4.Androgen is secreted by the testes of the .
5.The ovaries of the females secrete .
6.Estrogen and are female sex hormones.
7.Increased activity of sebaceous glands in the skin causes .
8. hormone is secretes milk during lactation.
9. Oxytocin hormone is involved in the contraction of muscles of uterus during child birth.
10.The first menstrual flow is termed as .