Monthly Archives: April 2017

How Can Science Help Human Reproduction?

First of all, fertilization is an action that a female gamete, which is an egg, and a male gamete, which is sperm, join together to make a baby. It is also known as meiosis, which is sexually reproduced. Other cells are reproduced by mitosis which is asexually reproduced. A sperm contains half of a DNA and an egg has the other half of the DNA while Mitosis makes clones of the parent cell.

There is problems for some humans. They are not fertile or infertile. They have problems in there reproduction system. You can be infertile, which is very rare. If you are worried, you should go to the doctor. If you are not infertile, the doctor will say that you should have medical treatments such as…

  • Clomifene which encourages the monthly ovulation in women
  • Tamoxifen which is an alternative to clomifene
  • Metformin which is beneficial for women with PCOS (polycystic ovary syndrome)
  • Gonadotrophin which can help stimulate the ovulation in women or may improve the fertility for men
  • Gonadotrophin-releasing hormone and dopamine agonists which are other types of ovulation medication

Or have surgeries such as…

  • Fallopian tube surgeries
  • Endometriosis, fibroids and PCOS surgeries
  • Epididymis surgeries

Or assisted conception such as…

  • IUI (Intrauterine insemination) – put sperm into a plastic tube and put it in to the woman’s womb
  • IVF (In vitro fertilization) – get egg from the ovaries and get sperm from the penis and fertilize them outside of the body and put it back to the woman’s womb
  • Egg and sperm donation – Receive eggs or sperm from a donor and fertilize it outside of the body or IVF.

Medication will sometimes cause medication problems when you use the medicine too much and the doctors can mistake in the middle of the surgery so doctors will recommend IUI, IVF, or if you can’t produce eggs or sperms, you should get some from a donor.

Sources cited:

“Infertility.” NHS Choices. NHS, 14 Apr. 2017. Web. 27 Apr. 2017.

“BBC – GCSE Bitesize: Oral Contraceptives.” BBC News. BBC, 2014. Web. 27 Apr. 2017.

Art Unit 1 Reflection

The main skill that I learnt was how can I draw gradation good. The day when we practiced our gradation scale, it helped quite a lot for the portrait. I got tips from my classmates and practiced hard on that so at the end, I finished it and my gradation scale looked pretty good.

I think I improved a lot. First, it was an cartoon picture of me because I wasn’t used to drawing a 3D portrait but I learned about gradation and different kinds of values and how to use an blending-stump so the improved one looks like a photo than a drawn picture.

When I draw another portrait, I should erase more gently because my paper kind of ripped off and it is ugly. I had lots of trouble with that The other thing is that I should get more pencils like 8B, 2H, and 4B and not using the thickest color or the thinnest color.

My 2 learning words was reflective, because I reflected on what I did well and not, and cooperation, because I asked people to look at my work and also I gave comments on peoples work. I had a fun time collabarating with others so I want to do these activities again. First, it was kind of troublesome but later on, it was getting fun so I was trying hard.