Excretion System – The Kidneys

The kidneys main function is filter our blood. Kidney called as excretion organ because it excretes (remove) waste in the form of urine. So blood comes into the kidney, waste gets removed, and salt, water, and minerals are adjusted, if needed. The filtered blood goes back into the body. Waste gets turned into urine. [1] 

Case Study about Sweating

Hi, getting bored during -stay at home- days, huh?

What is organ?

We have learnt that the simplest structure of living things is a cell. Look at to the Figure 1. A group of same cell that have similar structure and function together makes up tissue (Do you still remember, what the tissue is. You can check the video about tissue below). Tissues (more than one tissue) work together to perform a specific function as an organ. 

  Figure 1. What is organ

Bodo Amat; Seni yang Tidak Dipelajari di Sekolah Manapun

Judul      : Sebuah Seni untuk Bersikap Bodo Amat

Penulis   : Mark Manson

Penerbit  : Grasindo

Tahun Terbit : 2018

Bersikap bodo amat memang membutuhkan seni. Ini bukan sekedar kiasan. Buku ini mampu mempengaruhi perspektif kita terhadap lingkungan sekitar. Ada beberapa bagian dari buku ini yang menarik menurut saya.