Which statement correctly describes the fetal development process? The fetus undergoes the most rapid weight gain during the first trimester.
The fetus takes an average of 30 weeks to mature after conception.
Fetal organ systems develop at a steady rate throughout pregnancy.
To ensure proper growth, a fertilized egg must implant in the wall of the uterus.

The five components of health-related fitness include cardiorespiratory fitness, muscular strength, resting heart rate, muscular endurance, and body composition cardiovascular fitness, muscle tone, muscular endurance, flexibility, and body composition calisthenics, muscular strength, muscular endurance, flexibility, and body composition cardiorespiratory fitness, muscular strength, muscular endurance, flexibility, and body composition