Biologi : SiSTEM Gerak Manusia (Xi IPA)

The given statement explains that "Ekstensibilitas" refers to the ability of muscles to elongate or stretch further. Therefore, the correct answer is "Benar" which means "True" in English.

The given options describe different types of bone connections in the human skeletal system. Sinartrosis, amfiartrosis, and diartrosis are all types of bone connections, while diafisis refers to the shaft of a long bone. Therefore, the correct answer is "diafisis" because it does not represent a type of bone connection.

The given statement is incorrect. Elastisitas refers to the ability to undergo changes and return to its original shape or size after the force or stress is removed, not to become shorter.

The correct answer is jantung dan paru-paru. The question asks which organs are protected by the ribs and chest bone. The jantung (heart) and paru-paru (lungs) are vital organs located in the chest cavity and are surrounded by the ribs and chest bone for protection.

The correct answer is "Origo". Origo refers to the attachment of a tendon to a bone that remains fixed or stationary when the muscle contracts. This means that the bone does not move or change its position during muscle contraction.

In sindesmosis, the joint is connected by fibrous tissue and ligaments. This means that the bones in the joint are held together by strong, flexible connective tissue rather than a more movable joint like a synovial joint. This type of joint allows for limited movement and provides stability to the joint.

Tulang yang matriksnya rapat dan padat disebut tulang kompak. Tulang kompak memiliki sedikit atau tidak ada ruang antar sel tulang, sehingga memberikan kekuatan dan kepadatan yang tinggi. Tulang kompak umumnya terdapat di bagian luar tulang panjang dan berfungsi untuk memberikan dukungan struktural dan melindungi organ-organ internal.

Sinergis means working together or in coordination. Therefore, otot-otot yang kontraksinya menimbulkan gerak searah means that the muscles contract together to produce movement in the same direction. This is the correct answer as it accurately describes the concept of muscles working synergistically.

The given joints, such as elbow, knee, ankle, and interphalangeal joints, are examples of hinge joints. These joints allow movement in only one direction, similar to how a door hinge operates.

The correct answer is Tulang Belakang. Tulang belakang, atau vertebrae, berfungsi sebagai penyangga berat tubuh dalam sistem rangka aksial. Tulang belakang terdiri dari serangkaian tulang yang saling terhubung dan membentuk tulang punggung. Tulang belakang juga melindungi sumsum tulang belakang yang merupakan bagian dari sistem saraf pusat.

The correct answer is "Kifosis, lordosis, dan skoliosis." This is the correct order of the terms mentioned in the question. Kifosis refers to the excessive curvature of the upper back, lordosis refers to the excessive curvature of the lower back, and skoliosis refers to the abnormal sideways curvature of the spine.

The correct answer is "Sendi Peluru." This is because the joints between the shoulder girdle and upper arm, as well as between the hip girdle and thigh, allow for a wide range of movement in multiple directions, similar to the movement of a ball and socket joint.

The given answer "Sendi Pelana" is correct because it refers to the saddle joint, which allows movement in two planes. This type of joint is found between the carpal bones of the wrist and the metacarpal bone of the thumb. It allows for a wide range of movement, including flexion, extension, abduction, adduction, and circumduction.

Atrofi adalah jawaban yang tepat karena atrofi merujuk pada penurunan ukuran atau fungsi otot karena kurangnya penggunaan atau aktivitas. Ketika otot tidak digunakan untuk beraktivitas, mereka bisa mengalami penurunan ukuran dan kekuatan, yang disebut atrofi.

When adults lack vitamin D and calcium, it can lead to a condition called osteomalasia. Osteomalasia is a disease that weakens the bones and causes them to become soft and brittle. This can result in bone pain, muscle weakness, and an increased risk of fractures. Osteomalasia is often caused by a deficiency in vitamin D, which is necessary for the body to absorb calcium and maintain strong bones.

Filamen aktin dan filamen miosin membentuk miofibril. Miofibril adalah struktur utama dalam serabut otot yang terdiri dari serangkaian filamen aktin dan filamen miosin yang saling berinteraksi untuk menghasilkan kontraksi otot. Miofibril juga mengandung protein-protein lain yang penting untuk fungsi otot, seperti troponin dan tropomiosin. Jadi, jawaban yang benar adalah miofibril.

Sinkondrosis refers to the connection between bones that is connected by hyaline cartilage.

In the formation of concentric bone, bone cells are formed from the inside out, surrounding blood vessels and nerve fibers that will form the Haversian system.

The given options are all types of joint disorders, except for "Fisura". Dislokasi refers to joint dislocation, Artritis refers to joint inflammation, Ankilosis refers to joint stiffness, and Terkilir refers to joint sprain. However, "Fisura" does not fit into the category of joint disorders as it refers to a fracture or a crack in a bone, not specifically related to joints.

When the periosteum is damaged and the bone does not receive proper nutrition, it can lead to the death and drying out of the bone tissue. This condition is known as nekrosa.

Ankilosis adalah suatu keadaan persendian yang tidak dapat digerakkan karena seolah-olah menyatu. Ini berarti bahwa ada penyatuan atau penyambungan yang tidak normal antara tulang-tulang yang membentuk sendi, sehingga sendi tersebut kehilangan kemampuan untuk bergerak. Hal ini dapat disebabkan oleh berbagai faktor, seperti peradangan kronis, cedera, atau penyakit seperti arthritis.

The correct answer is Sel-sel mesenkim ; Osteoblas. Sel-sel mesenkim adalah sel-sel yang dapat berdiferensiasi menjadi berbagai jenis sel, termasuk sel-sel tulang. Setelah terbentuk, sel-sel mesenkim akan berdiferensiasi menjadi osteoblas, yang bertanggung jawab untuk produksi matriks tulang dan pembentukan tulang baru. Osteoblas juga mengisi bagian dalam tulang yang berongga dan membentuk sel-sel tulang. Oleh karena itu, X adalah sel-sel mesenkim dan Y adalah osteoblas.

The correct answer is "Melindungi bagian sumsum tulang belakang". This is because the function of the skeletal system does not include protecting the spinal cord. The skeletal system provides support and structure to the body, allows movement, protects internal organs, produces blood cells, and stores minerals. The protection of the spinal cord is primarily the role of the vertebrae and the meninges.

The given answer is incorrect because it contradicts the characteristics of Diartrosis joints mentioned in the question. Diartrosis joints have fibrous connective tissue surrounding the joint surface, cushioning cartilage inside the capsule, and some capsules are reinforced by ligaments. The inner part of the capsule is lined with a synovial membrane to reduce friction. Therefore, the correct answer should be "Pada bagian sendinya tidak dihubungkan jaringan ikat serabut padat" (The joint surface is not connected by dense fibrous connective tissue).

The correct answer is "tulang vomer, vomer, Tulang Vomer, Tulang vomer, Vomer". The question is asking for the correct term for "x". The term "tulang vomer" refers to the bone called the vomer, while "vomer" is the correct term in a more general sense. The answer includes variations in capitalization to account for different formats or conventions in writing the term.

Sinartrosis dibagi menjadi dua tipe utama, yaitu sinkondrosis dan suture. Sinkondrosis adalah jenis sinartrosis di mana tulang yang berhubungan terhubung oleh jaringan tulang rawan. Sementara itu, suture adalah jenis sinartrosis di mana tulang yang berhubungan terhubung oleh jaringan ikat fibrosa. Oleh karena itu, jawaban yang benar adalah Sinkondrosis dan Suture.

This question is asking for the parts that make up a coil-shaped muscle. The correct answer is "Urat otot dan Ventrikel." This means that the coil-shaped muscle is composed of muscle fibers (urat otot) and ventricles.

The correct answer is "Dinding saluran ekskresi" (excretory duct walls). The other options mentioned, such as dinding saluran pencernaan (digestive tract walls), pembuluh darah (blood vessels), saluran kencing dan kelamin (urinary and reproductive tracts), and saluran-saluran pernafasan (respiratory tracts), all contain visceral muscles. However, the dinding saluran ekskresi (excretory duct walls) do not typically contain visceral muscles.

The given options are different types of arthritis, except for "Artritis insudatif".

The correct answer is "fasiapropria, Fasiapropria, fasia propia, Fasia propia". Otot lurik memiliki kumpulan serabut yang dibungkus oleh fasiapropria.