Zygote: fertilized cell (egg + sperm) >200 types of human cells Embryonic stem cells – Created during earliest divisions – Potential to become any type.
Zygote: fertilized cell created by the union of the egg and sperm >200 types of human cells Embryonic stem cells –Created during earliest divisions.
Mechanisms of Homeostasis Homeostasis Process where the body maintains a constant internal environment Reactions & enzymes work best in specific conditions.
Topic 1: Body Organization
