Answer to Question 1
The three stages of parturition include:
1 . Phase 1 - contractions of the uterus until the cervix is completely dilated, with the end marked by transition
2 . Phase 2 - contraction of the uterus delivering the neonate through the birth canal
3 . Phase 3 - contraction of the uterus delivering the placenta and fetal membranes
Answer to Question 2
The advantages of artificial insemination include:
1 . Use of genetically superior males
2 . Dilution of semen allows many more females to be bred to a genetically superior male
3 . Ease of recordkeeping allows paternity to be readily established
4 . Reduced risk of injury to the female during coitus or to people working with the animals
5 . Reduced risk of the spread of venereal disease
6 . Semen is readily transported within the USA and internationally
Hormonal control of parturition.
the four stages of the cell cycle
Eriksons Stages
Stages for Treating Heart Failure
The five stages of viral infection.
Stages of sleep