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Medical Science (Male Reproductive System (Prostate Gland (Secretes some…
Medical Science
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Lines of defence
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1st Line of Defence
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Physical Barriers
Sneezing
It gets expells dirt and other harmful substances from your airways. It can also clear out your nose.
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Coughing
It brings musuc up to the muth so that it can be swallowed, it gets dust and dirt out of your throat.
Nasal Hair
Filters bacteria, dirt and other harmful substances from getting into your airways.
Skin
It is water proof, It is dry and acidic which means fungus and bacteria can't grow on it easily and cuts heal quickly.
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Male Reproductive System
Prostate Gland
Secretes some liquid that is added to sperm cells to form semen. The liquid secreeted is alkaline and contains chemicals including enzymes. It plays an important part in keeping the sperm cells alive in the female.
Seminal Veicle
Also secretes some liquid to create semen. This liquid produces sugar, vitamin C, proteins, enzymes and other substances. The sugar provides an energy source for the sperm cells.
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Scrotum
Where the testes are are located. They keep them at a slightly lower temperature than the rest of the body.
Penis
The penis swells during sexual arousal. Semen containing sprem is ejaculated from the penis to the vagina.
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