What is semen?
Draw a labelled diagram of the reproductive system of the human male - Leaving Cert Biology - Question 15 - 2010
Question 15
What is semen?
Draw a labelled diagram of the reproductive system of the human male.
On your diagram, indicate clearly and name the part at which each of the follow... show full transcript
Worked Solution & Example Answer:What is semen?
Draw a labelled diagram of the reproductive system of the human male - Leaving Cert Biology - Question 15 - 2010
Step 1
What is semen?
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Answer
Semen is a biological fluid that consists of sperm cells and seminal fluid. It is produced in the male reproductive system and serves as the medium for transporting sperm during ejaculation.
Step 2
Draw a labelled diagram of the reproductive system of the human male.
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Answer
The diagram should include the following parts, clearly labelled:
Testis: This is where the production of sperm cells occurs.
Epididymis: This is where sperm cells mature.
Sperm duct or prostate gland: This is where mixing of fluid with sperm cells takes place.
[Note: The seminal vesicles may also be included as glands that contribute to seminal fluid.]
Urethra or sperm duct: This is the pathway for the transport of semen.
Step 3
State two secondary sexual characteristics of the human male.
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Answer
Development of a deeper voice (enlarged larynx).
Increase in body hair (facial and body hair).
Step 4
What maintains the secondary sexual characteristics in the adult human male?
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Answer
The hormone testosterone maintains the secondary sexual characteristics in adult human males.
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