Examlex
Cross-sequential research is a combination of a cross-sectional approach and a longitudinal approach.
Conception
Conception is the process of fertilization when a sperm cell unites with an egg cell, leading to the formation of a zygote and the beginning of pregnancy.
Cortisol
A steroid hormone released by the adrenal glands in response to stress or low blood-glucose concentration, involved in various bodily functions including immune response and metabolism.
Placenta
During pregnancy, a specialized organ emerges in the uterus, tasked with delivering nutrients and oxygen to the fetus and disposing of its waste materials.
Motor Activity
Physical movements and actions performed by muscles, including both voluntary movements and automatic reflexes.
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