Body Systems 2
Name: ______________________ Date: ____________
Write the letter of the matching item on the line next to each number.
1. Hormone
A. The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has
2. Egg
B. Animal reproductive body consisting of an ovum or embryo together with nutritive and protective
3. Sperm
C. An unborn or unhatched vertebrate in the later stages of development showing the main recognizable
4. Uterus
D. The male reproductive cell
5. Embryo
E. Controlled by the autonomic nervous system
6. Placenta
F. A hollow muscular organ in the pelvic cavity of females
7. Umbilical cord
G. An animal organism in the early stages of growth and differentiation that in higher forms merge
8. Fetus
H. The vascular structure in the uterus of most mammals providing oxygen and nutrients for
9. Axon
I. Membranous duct connecting the fetus with the placenta
10. Involuntary
J. Long nerve fiber that conducts away from the cell body of the neuron