Animal Husbandry - Senior Secondary 1 - Reproductive hormones

Reproductive hormones

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TERM: 2ND TERM

WEEK FOUR

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes of 5 periods each

Date:

Subject: ANIMAL HUSBANDRY

Topic: REPRODUCTIVE HORMONES

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.)  Identify the sources and roles of female hormones

II.) Identify the sources and roles of male hormones

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher discusses the sources and roles of female hormones e.g. oestrogen, progestene, relaxin, oxytocin.

Students listens attentively to the teacher                                                                          

STEP 2

EXPLANATION

Teacher discusses  the sources and roles of male hormones e.g. testosterone/androgen

Students exhibit attentiveness and active engagement

STEP 3

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

REPRODUCTIVE HORMONES

Reproductive hormones are chemical messengers produced by glands in the endocrine system that regulate various aspects of the reproductive system's function and development. These hormones play crucial roles in controlling the menstrual cycle, ovulation, sperm production, pregnancy, and other reproductive processes.

Female Hormones

  1. Oestrogen: Oestrogen is primarily produced by the ovaries, with smaller amounts produced by the adrenal glands and fat tissue. It plays a central role in the development of secondary sexual characteristics, regulation of the menstrual cycle, and maintenance of reproductive tissues such as the uterus and vagina.
  2. Progesterone: Progesterone is mainly produced by the ovaries, particularly after ovulation during the luteal phase of the menstrual cycle. Its primary role is to prepare the uterus for implantation and support early pregnancy by maintaining the uterine lining.
  3. Relaxin: Relaxin is produced by the corpus luteum of the ovary and the placenta during pregnancy. It helps relax the uterine muscles, soften and widen the cervix, and facilitate the birthing process.
  4. Oxytocin: While oxytocin is produced primarily by the hypothalamus and released by the posterior pituitary gland, it plays a crucial role in female reproduction. Oxytocin stimulates uterine contractions during labor and delivery and promotes milk ejection (letdown) during breastfeeding.

Male Hormones

  1. Testosterone: Testosterone, primarily produced by the Leydig cells in the testes, is the primary male sex hormone. It plays key roles in the development of secondary sexual characteristics such as facial and body hair, deepening of the voice, and muscle growth. Testosterone also regulates sperm production (spermatogenesis) and libido (sex drive).
  2. Androgens: Along with testosterone, other androgens such as dihydrotestosterone (DHT) and dehydroepiandrosterone (DHEA) are produced in the testes and adrenal glands. Androgens contribute to the development and maintenance of male reproductive tissues and secondary sexual characteristics.

EVALUATION: 1. What are reproductive hormones?

  1. Identify and describe 4 reproductive hormones in female
  2. Identify the male reproductive hormones that you know

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively