Water, Electrolyte and
For water and electrolytes balance means equal
amounts enter and leave the body.
There are several mechanisms used to help maintain
this balance. This results in stability of the body
at all t
The fetal stage begins at the end of the eighth week
of prenatal development.
Growth is rapid, and body portions change
At the beginning of this stage, the head is
Genetics and Genomics
Packaged into our cells are instruction manuals
written within our DNA.
Sequences of DNA that encode particular proteins
are called genes.
A gene has different forms and can vary from
individual to individ
After a pregnancy, a new human is born which will
grow, develop, and age.
Growth = an increase in size due to mitosis.
Development = the continuous process by which an
individual changes from one
Female reproductive organs are specialized to
produce egg cells (oocytes), provide favorable
environment for developing offspring, and to
produce female sex hormones.
Primary female sex organs (gonads)
Reproductive systems produce and nurture sex cells
and transport them to sites of fertilization.
Male sex cells are sperm; female sex cells are eggs
Sex cells have one set of genetic instructions