The document outlines the five main stages of human life: infancy, childhood, adolescence, adulthood, and old age. It then provides more details on the stages of infancy, childhood, and adolescence, noting the key developmental milestones. The second part of the document describes the main anatomical parts that make up the male reproductive system, including the testicles, vas deferens, seminal vesicles, urethra, penis, and their basic functions.

1. José Ángel

2. Five stages of our life:
infancy, childhood,
adolescence,
adulthood and old age
Infancy: The stage
when we are babies
we learn to walk, chew
food and
communicate.
Childhood: They
acquire skills such
as walking, talking
and reading. And be
autonomous.

3. Adolescence: The stage when the reproductive system of boys and girls reach
maturity and can reproduce.
Younger adulthood
Middle adulthood
Old age

4. The testicles are two organs that it's protected by a
fold of skin called the scrotum.
Sperm are produced in the testicles.
The vas defenders are two thin tubes that collect
sperm from the testicles and transport to the
urethra.
The seminal vesicles are two glands behind the
bladder. The vesicles produce seminal fluid into
urethra.
The urethra is a tube connected to the vas
deferens. The sperm travels through the urethra in
the seminal fluid.
The urethra connect to the bladder.
The penis is the most external part of the male
reproductive system.