Animal Reproduction Part 1
What are the benefits to the scrotum hanging lower than the body of an animal?
Lower Temperature More sperm production
What is unique about the uterus in animals?
It is Y-shaped
What is another name for pregnancy in animals?
Gestation
What is the process of placing sperm into the female reproductive tract?
Insemination
What is the female sex cell called?
Egg
Once an egg has been fertilized what is it called?
Embryo
What is semen?
Fluid containing sperm that is secreted by the seminal and prostate glands
What are the two types of insemination? Explain the difference between them.
Natural Insemination: Female and male of same species mate Artificial Insemination: Semen is collected from male and then placed in the female
What is another name for giving birth in animals?
Parturition
List the parts of the male reproductive system and describe them briefly.
Penis-Deposits semen into vagina Retractor Muscle & Sigmoid Flexure: extend & return penis Urethra: Tube that goes from penis to the bladder Seminal Glands: Produces fluid that promotes good sperm Seminal Vesicles: Produces fluid that nourishes sperm Prostate Gland: Produces fluid that becomes part of semen Cowper's Gland: Produces fluid that cleans urethra prior to ejaculation Sperm Ducts: Tubes that got from the urethra to the testicles Testicles: Produce Sperm Scrotum: Holds testicles outside of body
What two parts in the male reproductive system work together to cause the penis too extract and return to the sheath?
Retractor Muscle and Sigmoid Flexure
What is the union of sperm and the egg?
Sexual Reproduction
What is the male sex cell called?
Sperm
What is reproduction?
The process by which animals produce offspring
What is fertilization?
The process by which the union of a sperm and an egg occurs
Where does fertilization occur?
The upper end of the oviduct
What is the role of the male reproductive system?
Their role is to produce and store sperm and to deposit them in the reproductive tract of the female of the species.
What is the role of the female reproductive system?
Their role is to produce eggs, make conception possible, and promote development of the embryo/fetus until birth.
List the parts of the female reproductive system and describe them briefly.
Vulva: External part of female reproductive tract Vagina: Receives semen and serves as a canal during birth Cervix: The entrance to the uterus Uterus: Organ in which the embryo & fetus develop Oviduct: Tube leading from the ovaries to the uterus Ovary: Produces eggs
What is ovulation?
When an egg is released from the ovary