Sexual characteristics are clasified into
Rproductive organs and physical diferences
Primary and secundary
The ________ contain the female sex cells.
Ova
Ovaries
Uterus
The sperm ducts contain the SPERMATOZOA?
Male sex cells are called...
Testes
Spermatozoa
Sperm
Females sex cells are called...
Vagina
What is a zygote
Ball of glands
Cells
Ball of cells
The first stage of the fertiization is...
A mature egg cell leaves the ovary
A spermatozoa travels to de fallopian tubes
The pregnancy lasts nine weeks?
The embryo and the amnion are conected by the unbilical cord?
The menstrual cycle lasts about 28 days?
