What type of tissue are bones made of? - Socratic
2016年11月20日 · Bones are solid connective tissue, with mineralised matrix. Bony tissue is in dynamic state, being continuously laid down by osteoblasts while old osteocytes are removed by phagocytic osteoclast cells. Bones form the endoskeleton in vertebrates. Each bone is covered from outside by periosteum, while bone marrow cavity is lined by endosteum. Inorganic matrix …
What are oracle bones and how are they used? - Socratic
2017年6月18日 · Oracle bones were used by fortune-tellers in ancient China. Made from turtle shells or other animal bones, oracle bones helped ancient Chinese people make daily decisions. Oracle bones were used by fortune-tellers, most prominently during the Shang dynasty. Fortune-tellers would keep many oracle bones in their shop. A client asks a question, and the fortune …
What is the structure and function of the compact bone?
2017年1月6日 · Compact bone is made of concentric layers of osteocytes and bony matrix. Compact bones provide support to mammalian limbs. Moreover, it is a storehouse of calcium and hosphorus. Compact bone is laid in such a manner that there are histological units seen in cross section. Such roundish unit is called OSTEON. () Each osteon has a central Haversian canal , …
What is the difference between a ligament, tendon, and cartilage?
2015年11月25日 · Ligament is a connective tissue which connects bone to bone. Tendon connects Bones to muscles. Cartilage is a type of connective tissue which is involved in supportive framework of our body , cartilage are of various types like Hyaline cartilage which is weakest , Elastic cartilage which is elastic in nature and Fibrous cartilage which is strongest …
How many bones are there in the skeletal system? Are there
2017年10月10日 · You're second question is a little strange because there are no bones in the body that are not included in the skeletal system. However, you may be thinking of the two divisions of the skeletal system: the axial and the appendicular systems. The axial skeleton contains 80 bones and the appendicular skeleton contains 126 bones.
What is the "keystone" bone of facial bones? - Socratic
2016年9月20日 · The maxilla is the keystone of facial bones. > It is the keystone because it anchors all facial bones except the mandible. It consists of two bones (maxillae) fused together at the midline. Each maxilla forms joints with seven other facial bones plus two of the cranium. These bones are the nasal zygomatic lacrimal inferior nasal concha palatine vomer the …
How are the nervous system and the skeletal system related?
2016年7月28日 · Bones provide protection and calcium, nerves give information on body position. The nervous system and the skeletal system interact in several ways. color(red)"What bones do for the nerves?" Provide calcium : almost all the calcium in the body (99%) is stored in bones. This is dynamic, so bones can take up and release calcium when needed. Calcium is essential …
What are some differences between the monkey's and a human
2017年5月10日 · In human, only thumb is opposable. Skull of monkey contains very small cranial space, while there is pronounced 'occipital bun' in human i.e. back of skull is projected. Foramen magnum (opening through which spinal cord emerges out of skull) is more posterior in position compared to vertically downwards position of foramen magnum in human skull.
Besides bones, what else makes up the skeletal system?
2018年3月25日 · Ligaments, tendons and cartilage. The skeletal system An adult human skeleton consists of around 206 bones, which are fused from 270 at birth, as well as tendons, ligaments and cartilage that connects them. The skeletal system performs vital functions — support, movement, protection, blood cell production, calcium storage and endocrine regulation — that …
What type of cells (besides bone) are made in the spaces of …
2017年4月19日 · Spaces between spongy bone remain occupied by red bone marrow tissue. This type of marrow contains stem cells for production of blood cells, specially red blood cells. ()