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Leaving certificate biology
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Unit 1Ecology theory5 Topics|1 Quiz
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Nutrient recycling4 Topics|1 Quiz
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Ecological relationships and population dynamics2 Topics
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Human impact on the ecosystem2 Topics
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Study of a grassland ecosystem3 Topics
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Responses in the Flowering Plant4 Topics|1 Quiz
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Unit 3Sexual reproduction in the flowering plant1 Topic
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The human reproductive system3 Topics
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The menstrual cycle2 Topics
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Pregnancy2 Topics
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The circulatory system4 Topics
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Blood5 Topics
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The heart5 Topics
Lesson 8, Topic 1
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The male reproductive system
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Male anatomy and functions

Testes
- The function of the testes is to produce sperm and to make the hormone testosterone.
Scrotum
- Meiosis will not take place at body temperature (37oC). The scrotum maintains a temperature of 35oC so that meiosis can occur and sperm form
Epididymis
- The epididymis stores mature sperm cells
Sperm ducts
- Each sperm duct or (vas deferens) transports sperm from the testes to the urethra
Seminal vesicles
- The seminal vesicles produce seminal fluid. Which causes sperm to start swimming and provides food for them to swim for about two days.
- The combination of sperm and seminal fluid is called semen
Prostate gland
- The prostate gland produces seminal fluid which causes sperm to start swimming and provides food for them to swim for about two days.
- The combination of sperm and seminal fluid is called semen
Cowper’s gland
- The prostate gland produces seminal fluid. Which causes sperm to start swimming and provides food for them to swim for about two days. the combination of sperm and seminal fluid is called semen
Urethra
- The urethra is a tube that runs through the middle of the penis. Its functions are to carry sperm (semen) or urine through the penis