The series of hormonal events that leads to birth:
- Fetal cortisol stimulates the placenta to secrete estrogen.
- The high estrogen level stimulates the uterus to form oxytocin receptors.
- Prostaglandins dilate the cervix, and with oxytocin, increase the strength of uterine contractions.
- Oxytocin stimulates the placenta to secrete prostaglandins.
<h3>What hormones are involved during parturition?</h3>
The female hormones contains in parturition include:
- Estrogen: This plays a main role in uterine contractions.
- Oxytocin: It helps in the uterine contractions during parturition.
- Relaxin
Thus, the series of hormonal events that leads to birth is 2,4,3,1.
To learn more about oxytocin receptors click here:
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B) Law of Inheritance.....inheritance refers to things passed down from parent to child by genes. The law of inheritance says that alleles for specific traits are passed down from someone’s parents.
Answer:
Ribosomes are parts of cells that manufacture proteins with instructions from the nucleic acid in the nucleus. The proteins are used as building blocks for things in the cell, and outside in a multicellular organism.
10 km = 10 × 1000 m = 10 000 m
10 000 m = 10 000 × 1000 mm = 10 000 000 mm
