The respiratory, digestive, and urinary systems are relatively nonfunctional during the fetus' prenatal period and must become functional at birth.
What is the fetus' prenatal period?
- Prenatal development refers to the growth of the embryo and fetus during the gestation of a viviparous animal.
- There are three stages to the prenatal development process.
- The germinal stage is the first two weeks after conception, the embryonic period is the third through eighth weeks, and the fetal period is the ninth week until birth.
- Following the embryonic stage, the fetal stage begins, and your baby is referred to as a fetus.
- This stage lasts from the 11th week until the baby is born.
- The child will grow longer and gain weight more quickly.
- His or her organs and body parts will develop further.
- The respiratory, digestive, and urinary systems, which are relatively nonfunctional during the prenatal period of the fetus, must become functional at birth.
Therefore, the respiratory, digestive, and urinary systems are relatively nonfunctional during the fetus' prenatal period and must become functional at birth.
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