SS3: BIOLOGY - 1ST TERM
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Regulation of Internal Environment I6 Topics|1 Quiz
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Regulation of Internal Environment II4 Topics|1 Quiz
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Regulation of Internal Environment III | Week 2 (Contd)3 Topics|1 Quiz
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Nervous Coordination I2 Topics|1 Quiz
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Nervous Coordination II4 Topics|1 Quiz
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Sense Organs I6 Topics|1 Quiz
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Sense Organs II3 Topics|1 Quiz
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Ecology of Population3 Topics|1 Quiz
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Balance in Nature3 Topics|1 Quiz
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Reproductive Systems and Reproduction in Man I4 Topics|1 Quiz
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Reproductive Systems and Reproduction in Man II3 Topics|1 Quiz
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Development of New Seeds4 Topics|1 Quiz
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Fruits3 Topics|1 Quiz
Menstrual Cycle
Topic Content:
- Menstrual Cycle
- Stages of the Menstrual Cycle
The monthly discharge of blood or menses from the uterus through the vagina is known as menstruation .
The menstrual cycle is controlled by hormonesHormones are chemical messengers produced by glands in the endocrine system that regulate various functions in the body by traveling through the bloodstream to target organs and tissues. They play crucial... More and consists of a series of changes in the ovary and the uterus. In human females, one egg is usually released alternately by each ovary every 28 days from puberty to menopause.
Stages of the Menstrual Cycle:
The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation and the luteal phase.
1. Follicular phase (Days 1-14):
- The anterior pituitary gland (located at the base of the brain) releases a
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