Kelas 5, IPA Tema 2

Hidung adalah salah satu organ pernapasan manusia yang terlihat dari luar. Organ ini berfungsi sebagai jalan masuk utama udara ke dalam tubuh. Hidung memiliki rongga yang dilapisi oleh selaput lendir yang membantu menyaring partikel-partikel kecil dan debu dari udara sebelum masuk ke dalam paru-paru. Selain itu, hidung juga berperan dalam mengatur suhu dan kelembaban udara yang masuk ke dalam tubuh. Hidung juga memiliki rambut-rambut kecil yang berfungsi untuk menangkap dan mengeluarkan lendir serta kotoran dari dalam hidung.

Rambut hidung berfungsi untuk menyaring kotoran yang masuk bersama udara. Rambut-rambut halus di dalam hidung bertugas menangkap partikel-partikel kecil seperti debu, serbuk sari, atau kotoran lainnya yang terbawa oleh udara saat kita menghirup. Dengan adanya rambut hidung, partikel-partikel tersebut tidak langsung masuk ke dalam saluran pernapasan kita, sehingga dapat mencegah masuknya kotoran ke dalam paru-paru dan melindungi saluran pernapasan dari infeksi atau iritasi.

The correct answer is "menyaring kotoran yang masuk." The function of nose hair is to filter out and trap dirt, dust, and other particles from entering the nasal cavity. This helps to prevent these particles from reaching the lungs and causing irritation or infection. Nose hair acts as a physical barrier, trapping the particles and preventing them from entering the respiratory system.

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The correct answer is "trakea." The trachea is the tube that connects the larynx to the bronchi in the respiratory system. It allows air to pass in and out of the lungs, enabling breathing. Therefore, it is logical to conclude that the grasshopper also breathes through its trachea.

Alergi debu dapat menyebabkan asma. Alergi debu adalah reaksi tubuh terhadap partikel debu yang masuk ke saluran pernapasan. Ketika seseorang yang alergi debu terpapar debu, tubuhnya akan merespons dengan menghasilkan zat-zat kimia yang menyebabkan peradangan dan penyempitan saluran pernapasan, yang pada akhirnya dapat menyebabkan serangan asma. Oleh karena itu, alergi debu adalah salah satu penyebab asma.

The correct answer is TBC because tuberculosis is a disease caused by the bacteria Mycobacterium tuberculosis. It is a contagious infection that primarily affects the lungs but can also spread to other parts of the body. Asthma, influenza, and bronchitis are all different respiratory conditions caused by various factors, but not by Mycobacterium tuberculosis.

The correct answer is "insang". The question asks for the respiratory organ of a tadpole, which is the gills or "insang" in Indonesian. Tadpoles are aquatic creatures and use gills to extract oxygen from water. As they grow into adult frogs, they develop lungs and transition to breathing air.

Influenza is caused by a virus. It is a respiratory illness that is highly contagious and can cause symptoms such as fever, cough, sore throat, body aches, and fatigue. It is spread through respiratory droplets when an infected person coughs or sneezes. Influenza can affect people of all ages and can lead to complications such as pneumonia, especially in young children, older adults, and individuals with weakened immune systems. Vaccination is recommended to prevent the spread of influenza and reduce the severity of symptoms.

The fine hair in the trachea functions to filter out any dirt or debris that enters the throat. This helps to prevent these particles from entering the lungs and causing irritation or infection.

The correct answer is 1), 3) and 6) because the organs listed are all part of the human respiratory system. The nose (hidung) is the entry point for air, the trachea (trakea) is the windpipe that carries air to the lungs, and the lungs (paru-paru) are the main organs of respiration where oxygen is taken in and carbon dioxide is expelled. The other options listed (2), 4), and 5)) are not respiratory organs.

Sleeping on the right side is considered to be the best sleeping position for health. This position allows for better digestion and reduces the risk of acid reflux. It also improves blood circulation and reduces the risk of heartburn. Sleeping on the right side is also beneficial for pregnant women as it improves blood flow to the fetus. Additionally, this position helps to alleviate snoring and sleep apnea symptoms.

Influenza adalah penyakit yang menyerang organ hidung.

The correct answer is selaput lendir. The function of selaput lendir is to regulate the humidity of the air that enters the respiratory system. It helps to moisten the air and trap particles, preventing them from reaching the lungs. Rambut hidung (nasal hair) helps filter out larger particles, but it does not regulate air humidity. Sarabut syaraf (nerve fibers) and trakea (trachea) are not directly involved in regulating air humidity.

The correct answer is "bakteri". Tuberculosis (TBC) is a disease caused by the bacteria Mycobacterium tuberculosis. It is a highly contagious infection that primarily affects the lungs but can also spread to other parts of the body. The bacteria are transmitted through the air when an infected person coughs or sneezes, and they can survive for a long time in the environment. Prompt diagnosis and treatment with antibiotics are essential to control the spread of the disease and prevent complications.

The correct answer is faring. The question asks for the organ that is found in the nose, excluding the options of nose hair, mucous membrane, and nerve fibers. The faring is not located in the nose but is part of the throat and respiratory system.

Sapi bernafas dengan paru-paru.

The correct answer is "bronkus." The question is asking for the branches of the trachea, and the bronchi are the main branches that extend from the trachea into the lungs. They further divide into smaller branches called bronchioles, which ultimately lead to the alveoli where gas exchange occurs.

The correct answer is alveolus. The alveolus is a small sac-like structure in the lungs where the exchange of oxygen and carbon dioxide takes place. Oxygen from the inhaled air diffuses into the bloodstream through the thin walls of the alveoli, while carbon dioxide, a waste product, diffuses out of the bloodstream into the alveoli to be exhaled. This exchange of gases is essential for respiration and supplying oxygen to the body's tissues.

Bronkitis adalah penyakit yang disebabkan oleh gangguan pada batang tenggorok akibat infeksi. Penyakit ini ditandai dengan peradangan pada saluran udara di paru-paru, yang mengakibatkan batuk, sesak napas, dan produksi lendir yang berlebihan. Infeksi yang menyebabkan bronkitis umumnya disebabkan oleh virus atau bakteri.

The correct answer is "bronkiolus" because the question is asking for the branch of the bronchus, which is the bronchiolus. The bronchiolus is a small airway that branches off from the bronchus and further divides into smaller airways called alveoli.

Asthma is a respiratory condition characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, coughing, and shortness of breath. It is commonly triggered by allergens such as dust mites, pollen, pet dander, and certain foods. These allergens can cause an allergic reaction in individuals with asthma, leading to the inflammation and constriction of the airways. Therefore, the correct answer is "alergi" (allergy), as it is the main cause of asthma.

Serabut syaraf pada hidung berfungsi untuk mendeteksi zat kimia. Hal ini terjadi karena di dalam hidung terdapat reseptor yang peka terhadap zat kimia tertentu. Ketika zat kimia tersebut masuk ke dalam hidung, reseptor pada serabut syaraf akan merespons dengan mengirimkan sinyal ke otak untuk memberikan informasi tentang bau atau rasa dari zat kimia tersebut. Dengan demikian, serabut syaraf pada hidung berperan penting dalam kemampuan manusia untuk mencium dan merasakan makanan, bau, atau aroma tertentu.

The nerve fibers in the nose, known as olfactory nerves, are responsible for detecting and transmitting signals related to smell to the brain. These nerve fibers are sensitive to various chemicals present in the air, allowing us to detect different smells and odors. Therefore, the correct answer is that the nerve fibers in the nose function to detect chemicals.

Hewan yang hidup di dua alam, yaitu darat dan air, disebut amfibi. Hewan amfibi memiliki kemampuan untuk hidup di darat dan di air, seperti katak dan salamander. Mereka memiliki kulit yang lembab dan tidak memiliki sisik, serta memiliki kaki yang cocok untuk berjalan di darat dan berenang di air. Adaptasi ini memungkinkan mereka untuk bertahan hidup dan bergerak dengan efektif di kedua lingkungan tersebut.

The correct answer is "alveolus". The question is asking for the branch of the bronchioles, and the answer is the alveolus. The alveoli are tiny air sacs located at the end of the bronchioles in the lungs. They are responsible for the exchange of oxygen and carbon dioxide between the lungs and the bloodstream.

Biawak bernafas dengan paru-paru karena paru-paru adalah organ pernapasan utama pada hewan vertebrata, termasuk biawak. Paru-paru berfungsi untuk mengambil oksigen dari udara dan mengeluarkan karbon dioksida sebagai produk sampingan metabolisme. Biawak menghirup udara melalui mulut atau hidung, dan udara tersebut masuk ke dalam paru-paru melalui saluran pernapasan. Di dalam paru-paru, oksigen diserap oleh darah dan dibawa ke seluruh tubuh untuk digunakan dalam proses metabolisme. Karbon dioksida yang dihasilkan oleh sel-sel tubuh dibawa kembali ke paru-paru oleh darah dan kemudian dikeluarkan saat biawak menghembuskan udara.

The correct answer is "imunisasi BCG". BCG stands for Bacillus Calmette-Guérin, which is a vaccine used to prevent tuberculosis (TBC). This vaccine contains a weakened form of the bacteria that causes tuberculosis, stimulating the immune system to produce a protective response against the disease. By receiving the BCG vaccine, individuals can reduce their risk of developing tuberculosis and its associated complications.

The given statement suggests that the lungs experience swelling due to the entry of air into the pulmonary blood vessels. This condition is known as emphysema.

The correct answer is "trakeolus" because it is the term used to describe the branches or divisions of the trachea. The trachea is a tube-like structure in the respiratory system that branches out into smaller tubes called bronchi, which further divide into bronchioles. Therefore, "trakeolus" accurately represents the branching nature of the trachea.