SiSTEM Pencernaan - Kuis Smp/Mts Kelas VIII

During the process of digestion, the large intestine is responsible for absorbing water and breaking down leftover food particles. This is important for maintaining proper hydration and eliminating waste from the body. The large intestine also plays a role in the fermentation of undigested food, which produces certain vitamins and gases. Therefore, the correct answer is "penyerapan air dan pembusukkan sisa-sisa makanan" (absorption of water and decomposition of food residues).

The correct answer is "mulut, kerongkongan, lambung, usus halus, dan usus besar". This is the correct sequence of the human digestive system. Food enters the mouth (mulut) where it is chewed and mixed with saliva. It then travels down the esophagus (kerongkongan) into the stomach (lambung), where it is further broken down by stomach acid and enzymes. From there, it passes into the small intestine (usus halus), where nutrients are absorbed into the bloodstream. Finally, the remaining waste moves into the large intestine (usus besar) where water is absorbed and solid waste is formed.

The correct answer is "mulut". The mouth is the place where both mechanical and chemical digestion occur. Mechanical digestion begins in the mouth with the chewing and grinding of food by the teeth, breaking it into smaller pieces. Chemical digestion also starts in the mouth, as saliva contains enzymes like amylase that begin to break down carbohydrates. Therefore, the mouth is the site where both mechanical and chemical digestion processes take place.

The correct answer is usus halus. The digestive system contains various enzymes that help break down different types of food molecules. Lipase is an enzyme that specifically breaks down lipids or fats. The small intestine is the primary site of lipid digestion and absorption in the digestive system. It is lined with villi and microvilli that increase the surface area for nutrient absorption. Lipase is produced by the pancreas and is released into the small intestine to break down fats into smaller molecules that can be absorbed by the body. Therefore, the correct answer is usus halus (small intestine).

During the growth phase, children need to consume a lot of food, especially those that contain protein. Protein is essential for growth and development as it helps in building and repairing tissues, producing enzymes and hormones, and supporting the immune system. It is also important for the development of muscles, bones, and organs. Consuming an adequate amount of protein-rich foods ensures that children have the necessary nutrients to support their growth and overall health.

Karbohidrat, lemak, dan protein adalah zat makanan yang berfungsi sebagai sumber energi. Karbohidrat merupakan sumber energi utama bagi tubuh karena dapat diubah menjadi glukosa yang digunakan oleh sel-sel tubuh. Lemak juga berperan sebagai sumber energi yang penting, terutama dalam jangka panjang dan saat aktivitas fisik yang intens. Protein, meskipun lebih umum dikenal sebagai zat pembangun tubuh, juga dapat digunakan sebagai sumber energi ketika karbohidrat dan lemak tidak tersedia dalam jumlah yang cukup. Vitamin dan mineral, meskipun penting untuk kesehatan tubuh, tidak berfungsi sebagai sumber energi utama.

Apendisitis adalah penyakit infeksi pada usus buntu. Usus buntu adalah organ kecil yang terletak di bagian kanan bawah perut. Ketika terjadi infeksi pada usus buntu, gejala yang muncul antara lain nyeri perut sebelah kanan bawah, mual, muntah, demam, dan hilang nafsu makan. Jika tidak diobati, apendisitis dapat menjadi kondisi yang serius dan memerlukan tindakan operasi untuk mengangkat usus buntu.

The correct answer is "air liur" because ptialin is an enzyme that is present in saliva. It is responsible for breaking down complex carbohydrates into simpler sugars during the process of digestion. Therefore, it is logical to conclude that ptialin is found in saliva, which is produced in the salivary glands and released into the mouth.

The correct answer is "hati" because the question is asking about the organ that produces "empedu" (bile). The liver is the organ responsible for producing bile, which is then stored in the gallbladder and released into the small intestine to aid in the digestion and absorption of fats. The other options mentioned (pankreas, parotis, sublingualis) are not involved in the production of bile.

Setelah melalui lambung, makanan akan masuk ke dalam duodenum. Duodenum adalah bagian pertama dari usus dua belas jari yang terhubung langsung dengan lambung. Di duodenum, makanan akan dicerna lebih lanjut dan nutrisi akan diserap ke dalam darah untuk digunakan oleh tubuh.

In cases of diarrhea, bacterial or protozoal infections can disrupt the absorption of water in the large intestine. This means that the body is unable to absorb water properly, leading to loose and watery stools.

Penyerapan sari-sari makanan terutama terjadi di ileum. The ileum is the final section of the small intestine, where the majority of nutrient absorption takes place. It has a large surface area due to the presence of villi and microvilli, which increases the efficiency of absorption. The ileum absorbs nutrients such as vitamins, minerals, and bile salts, as well as any remaining water. The other options mentioned, such as the stomach, colon, and duodenum, do have roles in digestion and absorption but are not primarily responsible for the absorption of nutrients from food.

The given options are all functions of fat in the body except for "pembangun enzim" which means "enzyme builder". Fats are a source of energy, serve as a food reserve, act as solvents for vitamins A, D, E, and K, but they do not play a role in building enzymes.

This statement is not accurate because using enzymes produced by the digestive organs is actually a part of chemical digestion, not mechanical digestion. Mechanical digestion refers to the physical breakdown of food into smaller pieces, while chemical digestion involves the use of enzymes to break down complex molecules into simpler ones.

The correct answer is "kelenjar parotis, submandibularis, dan sublingualis." This is because the main salivary glands in humans are the parotid gland, submandibular gland, and sublingual gland. These glands are responsible for producing saliva, which aids in the digestion of food.