Examlex
Which of the following are present in high densities in both smooth and skeletal muscle cells?
Sperm Fertilizes
The process by which a sperm cell unites with an egg cell, resulting in the beginning of pregnancy.
Zygote
The initial cell formed when a sperm cell fertilizes an egg cell, marking the beginning of a developing organism.
Myometrium
The muscular layer of the uterus that contracts during childbirth to help deliver the baby.
Uterus
A female reproductive organ in which the fertilized egg implants and develops into a fetus.
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