Fertilization
The____________ are the primary male reproductive organs.
testes
How does pregnancy begin?
fertilization
The________is the connection between the mother and the embryo or fetus.
placenta
How many chromosomes is the sperm carrying to the egg cell?
23
Stages of menstrual cycle
Follicular
Ovulation
Luteal
Menstruation
Genetic material of sperm cell is found in which part of the cell
head
Where does fertilization take place?
Fallopian tube
What is the stage of early development in which there is a hollow ball of cells that implants into the uterus
Blastocyst
True or False: The first sperm to reach the egg cell fertilizes the egg cell
false
After ovulation, the ruptured follicle transforms into _____________________
corpus luteum
Which organelles are found in the tail of the sperm cell
mitochondria
Where does the fallopian tube link to?
Ovary to uterus
How are nutrients and waste passed between the mother and embryo?
Through the umbilical cord
What is after-birth?
The placenta that has to also be expelled from the uterus
Corpus Luteum secretes which hormone
progesterone
Sperm and egg unite in one of the fallopian tubes to form a what?
zygote
After 8th week embryo is called
Fetus
_________________ forms the linings of organs in the digestive system, respiratory system, and excretory system.
Endoderm
blastocyst begin to specialize. This process is called
differentation
Ovulation is triggered by which hormone
LH
Gastrulation consists of what?
Endoderm, Ectoderm, and Mesdoerm
Where most miscarriages and birth defects occur
1st trimester
What is the first functional organ to develop in the embryo?
Heart
What two types of twins are there?
Fraternal and identical
Which hormone stimulates maturation of follicle
FSH