Examlex
Discuss the similarities and differences between sketches and mechanical drawings.
Sperm
The male reproductive cell or gamete, capable of fertilizing the female ovum to produce offspring.
Mesoderm
The middle layer of an embryo in early development, which gives rise to muscles, bones, and the circulatory system.
Skeletal System
The organ system that provides support, protection, and movement to the body through bones and connective tissues.
Extraembryonic Membrane
Membranes, such as the amnion and placenta, that are not part of the embryo but are essential for its development and survival.
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