LIFE SCIENCES
GRADE 12
KNOWLEDGE AREA:
TOPIC: Human Reproduction
SUBTOPIC: Menstrual cycle, fertilisation & gestatio
PRESENTER: Sinah Sekhekhe & Vedika Maharaj
DATE: 13 March 2025
, LESSON OBJECTIVES
At the end of this lesson:
❑ Learners MUST be able to explain the role of the various hormones in the
menstrual cycle.
❑ Learners MUST describe the events of the menstrual cycle.
❑ Learners MUST have a clear understanding of the terminology in order to s
case studies related to the menstrual cycle.
❑ Learners MUST be able be able to describe fertilisation, implantation & ges
❑ Learners MUST be able know the functions of the chorion, chorionic villi, a
amniotic cavity, amniotic fluid, umbilical cord and placenta.
PRESEN
, PREKNOWLEDGE
• The ovaries are the primary female sex organs situated in the
pelvic cavity on either side of the uterus
• Each ovary is surrounded by a layer of diploid (2n) germinal
epithelium that divides to produce haploid (n) ova by the
process of oogenesis.
Functions:
The ovaries produce and release ova.
They produce the female hormones oestrogen and progesterone
, BASELINE ASSESSMENT
Draw a labelled diagram of a cross section through the ovary indicating the str
before ovulation, during ovulation and after ovulation.
PRESEN
GRADE 12
KNOWLEDGE AREA:
TOPIC: Human Reproduction
SUBTOPIC: Menstrual cycle, fertilisation & gestatio
PRESENTER: Sinah Sekhekhe & Vedika Maharaj
DATE: 13 March 2025
, LESSON OBJECTIVES
At the end of this lesson:
❑ Learners MUST be able to explain the role of the various hormones in the
menstrual cycle.
❑ Learners MUST describe the events of the menstrual cycle.
❑ Learners MUST have a clear understanding of the terminology in order to s
case studies related to the menstrual cycle.
❑ Learners MUST be able be able to describe fertilisation, implantation & ges
❑ Learners MUST be able know the functions of the chorion, chorionic villi, a
amniotic cavity, amniotic fluid, umbilical cord and placenta.
PRESEN
, PREKNOWLEDGE
• The ovaries are the primary female sex organs situated in the
pelvic cavity on either side of the uterus
• Each ovary is surrounded by a layer of diploid (2n) germinal
epithelium that divides to produce haploid (n) ova by the
process of oogenesis.
Functions:
The ovaries produce and release ova.
They produce the female hormones oestrogen and progesterone
, BASELINE ASSESSMENT
Draw a labelled diagram of a cross section through the ovary indicating the str
before ovulation, during ovulation and after ovulation.
PRESEN