From: 1.1
Date: 10. 11. 2014
B6D2: Realising that Humans are Complex Organism
B6D2E1: Discuss why humans are complex organism in various presentation use any two system in human as the centre of our discussion. Write an essay about 500 words from your discussion.
The first thing is that human beings have various types of cell which are specialised. They perform certain specific functions. There is also division of labour. Examples of cells in the human body are muscle cell, human sperm cell and red blood cell. Examples of tissues are muscular tissues, epithelial tissues and nerve tissues. Meanwhile, examples of organs are heart, lungs and stomach. Each cell, tissue, organ and system has its own functions.
Human are the most intelligent living things on Earth. They have the most developed brain. As a result, they think and solve problems, decide between right and wrong, invent new things and adapt themselves to their surroundings. Human are able to create, learn from experience and communicate to each other using languages. Human can also invent things to make others comfortable in their life. For example, they discover new medicines to cure different diseases and make spaceship to explore the galaxy. There are ten system in the human body, which are: Digestive System, Nervous System, Respiratory System, Reproductive System, Blood Circulatory System, Skeletal System, Excretory System, Muscular System and Endocrine System.
The Blood Circulatory System also called the cardiovascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from cells in the body to nourish it and help to fight diseases, stabilize body temperature and pH, and to maintain homeostasis.
The respiratory system (or ventilatory system) is a biological system consisting of specific organs and structures used for the process of respiration in an