Sperm+Article

Sperm Article (1) What is a germ cell? (male germ cell and female germ cell) These are protectors against sickness inside of the body. They ward off dangerous bacteria. (2) Compare the size of a sperm to an egg. Insert a picture here comparing the sizes. Sperm is a lot smaller than the size of an egg, becaue it has to fit inside of one. (3) Compare the number of eggs produced by human females to the number sperm produced by human males. Males produce thousands of sperm a day while females are born with as many as they are ever going to get (4) Describe semen. Whmales produce thousands of sperm a day, females are born with all of the ovaries that they are ever going to haveat is the purpose of semen? Males just need to generate a lot of it in order to keep it fresh since they are a living thing unlike an egg. eggs can last a lot longer than sperm for a life span (5) What can be wrong with sperm? What percentage of sperm are usually normal? less than half or normal, lost of them are often damaged and don't work properly and have lots of defects thats why so many are necessary (6) Where do sperm develop? Why could a fever disrupt sperm production for months? Inside of the testes or the male reproductive track. (7) Describe in detail the three parts of a sperm cell. (8) How do the sperm react to being in the female reproductive tract? How do they know where to go? They are programed knowing what to do once they get inside of the female. Immidatly they seek to find an egg to fertilize onto. (9) How is the egg only fertilized by one sperm? The egg has a built in defense system that turns off the magnitizism that attracts sperm once it has been touched. This is known as the plasma membrane. Very important factor.