Sperm bank

The male reproductive system is responsible for producing, transporting, and maintaining sperm. It's also responsible for producing male sex hormones. These sex hormones actually take on the role of being responsible for maintaining the male reproductive system. Unfortunately, the male reproductive system also takes on the role of discharging its sperm into the female reproductive tract during sex. The major organs that make up your male reproductive system include the following: bladder,…

Hello, my name is Samuel the sperm. I will be taking you on a journey today, from how I became a sperm all the way until I make my grand exit. We will start with the process of meiosis, which is how I got to become a spermatozoon. Like any good journey, we have to have a setting. In this instance, we are in the testes, the male reproductive organ that produces sperm. The process of becoming a spermatozoon all starts with a process called interphase. During this time, chromosomal DNA is being…

There are lot of interesting fun facts in the integument, urinary, or reproductive systems. The skin is the largest organ of the body. In a normal male about 5 billion sperm mature on daily basis. The average penis size is less than 6 inches long. The human bladder can stretch to hold about 400 ml of urine. If one kidney fails to function and is removed, the other kidney can increase in size by 50% within two months to handle the entire filtration. I chose to pick three fun facts from the…

Andrew Wittman Biology 152 Lab Section 409 3/23/2015 PURIFICATION OF SPERM WHALE APOMYOGLOBIN AND THE ORIGIN OF ITS HELICAL FOLD Abstract The purpose of this research is to understand how secondary structures of a protein, in this case sperm whale apomyoglobin, affect the denatured state of that protein. The scientific community has been working under the impression that once denatured by urea, a protein loses all of its secondary structure. In this research the effect that apomyoglobin’s…

As of 2013 more than eighty six percent of adults say they already have children, are planning to have children, or wish to have children yet one in every four couples suffer from infertility. Infertility may be due to a single cause in either you or your partner’s reproductive system, or a combination of both that may prevent pregnancy from occurring. Fortunately there are many therapies and treatments for overcoming infertility. One of the most controversial solutions is Surrogacy. Now for…

Have you ever wondered what adaptations allow deep-sea creatures to survive in extreme environments? There is no simple answer due to the fact that all creatures adapt to their environment in different ways. Although sea creatures live together in the same ocean, the condition in different areas varies. The different characteristics of these four sea creatures make them unique, therefore giving them various ways to adapt to extreme oceanic environments in order to survive. Despite living in…

complications. There are two main types of surrogacy. There is traditional, or “partial surrogacy” in which the surrogate mother is also the genetic mother of the child. The process of artificial insemination is carried out using the intended father’s sperm in order to conceive the baby in the surrogate mother’s womb (4). With full surrogacy, In vitro fertilization is used to conceive the baby in the surrogate mother’s womb, and the intended parents are the genetic parents of the child (4). “In…

In Herman Melville’s timeless novel, Moby Dick, Captain Ahab of the ship Pequod convinces his crew to join him on a quest for revenge against Moby Dick, the whale that devoured his leg, which ends in the death of every crew member but one. To Ahab’s chief mate, Starbuck, this quest seems dangerous and impossible, but the rest of the crew enthusiastically takes part due to Ahab’s mastery of persuasive tactics. In chapter 36, “The Quarter-Deck,” from pages 232-235, Captain Ahab uses a combination…

Ongoing territorial disputes between the US and Canada in the Gulf of Maine 1. Summary After the series of International Court Decisions in 1979 and 1984 in the case concerning the delimitation of the maritime boundary in the gulf of Maine area, the United Sates and Canada were left with a problem of a disputed territory that has still not been solved. The disputed territory which is often called the “gray zone” includes two islands - Machias Seal Island and North Rock (Collins & Rogoff, 1986).…

Moby Dick was written by Herman Melville and was published in 1851. Although it was written in 1851 the book didn’t become famous until the 1940s. In the story of Moby Dick Ishmael seeks to go whaling and ends up in Nantucket, the traditional capital of the whaling industry with Queequeg, a guy he met in New Bradford, Massachusetts. The two end up going on a whaling ship called the Pequod, captained by Ahab. When Ahab makes his first appearance on board he has an artificial leg made from a…