Soal Biology Klas Xi Bab SiSTEM Ekskresi

The correct answer is B. Ginjal. The kidneys are responsible for filtration and reabsorption in the human body. They filter waste products and excess water from the blood to form urine, while also reabsorbing essential substances such as water, glucose, and electrolytes back into the bloodstream. This process helps maintain the balance of fluids and electrolytes in the body and removes waste products from the bloodstream.

not-available-via-ai

The correct answer is E. Rongga perut, dekat tulang tulang pinggang. This answer states that the kidneys are located in the abdominal cavity, near the pelvic bones.

The correct answer is A. Korteks. The cortex is the outer layer of the kidney that contains the nephrons, which are the functional units responsible for filtering the blood and producing urine. The statement in the question that there are approximately 100 million nephrons in the kidney supports the answer choice A.

Paru-paru merupakan organ pernapasan yang berfungsi untuk mengambil oksigen dari udara dan mengeluarkan karbon dioksida. Selain itu, paru-paru juga berperan sebagai organ ekskresi dengan mengeluarkan karbon dioksida dari tubuh melalui proses pernapasan.

The correct answer is D. Warna empedu. Feses berwarna kuning karena mengandung pigmen bilirubin yang berasal dari empedu. Empedu diproduksi oleh hati dan berfungsi untuk mencerna lemak. Ketika empedu mencapai usus, pigmen bilirubin akan diubah menjadi pigmen stercobilin yang memberikan warna kuning pada feses.

The correct answer is C. Stratum germativum. The stratum germativum is the innermost layer of the epidermis and is responsible for producing new skin cells. It contains stem cells that continuously divide and differentiate into keratinocytes, which then migrate towards the outer layers of the epidermis. This layer also contains melanocytes, which produce melanin that gives color to the skin.

The correct answer is B. Sel darah merah (eritrosit). Sel darah merah (eritrosit) is responsible for the formation and remodeling of red blood cells. Hemoglobin, which is found in red blood cells, is broken down into hemin, fe, and globin by the sel darah merah.

The liver is responsible for many functions in the body, including storing glucose in the form of glycogen, detoxifying harmful substances, and producing bile. However, the liver is not involved in the synthesis and breakdown of specific proteins. This process mainly occurs in the cells of the endoplasmic reticulum and ribosomes. Therefore, option C is the correct answer as it does not describe a function of the liver.

The correct answer is A. Glomerulus. The process of reabsorption of useful substances such as water, glucose, amino acids, and some inorganic ions occurs in the glomerulus.