Hands on lab

HOL_Human_Development1.docx

Reproductive Systems and Development

Label the following reproductive structures numbered in the images below.

Answer the following questions about the reproductive system and human development.

1. What is the gonad for the male reproductive system? The female?

2. What are the milk producing glands of the breast?

3. Name the structures, in order, that are the pathway for milk expulsion in the breast.

4. What three hormones are elevated just prior to ovulation?

5. What happens to estrogen and progesterone levels just prior to menstruation?

6. What structure of the testes produces sperm cells?

7. Name the structures that are responsible for the production of seamen and the percentage they contribute.

8. What are the two types of erectile tissue in males?

Number each of the terms or stages of embryonic development within each period in chronological order.

Germinal Period (1-9)

______Fertilization

______Blastocyst

______Primitive Streak

______Formation of germ layers (endoderm, ectoderm, mesoderm)

______Amniotic Cavity

______Implantation

______Gastrulation

______Embryonic Disk

______Morula

Embryonic Period (1-8)

______Neural plate forms

______Metanephros (kidney) has formed and Mesonephros degenerates

______Foregut and Hindgut form

______Pleural Cavities

______Limb Buds appear

______Functional muscles present

______Heart formation complete

______Coelom

Fetal Period (1-5)

______Roughly 17 generations of branches within lungs formed

______Finish of face development

______Differentiation of male and female sexual organs

______Placenta growth STOPS

______Parturition