Q.8 Write a note on disorders of skeletal system? Answer: The following are the disorders of skeletal system: 1. Osteoporosis: In Osteoporosis, there is a decrease in the density of bones due to the loss of calcium and phosphorus. It is a bone disease in adults especially in old people. It is more common in …
Q.8 Write a note on disorders of skeletal system? Read More »
Q.7 How skeletal muscles, are involved in the movement of the skeleton? Answer: When bones move at joints, they produce movement. The movements in bones are brought about by the contractions of skeletal muscles, which are attached with bone by tendons. The combination of several muscles bring about activities e.g, walking, running, playing etc. Origin: …
Q.7 How skeletal muscles, are involved in the movement of the skeleton? Read More »
Q.6 Describe the role of tendons and ligaments. Introduction Tendons and ligaments are bands of connective tissue (made of collagen). Tendons Tendons are bands of connective tissues in which collagen fibers are tightly packed. These are tough bands which attach muscles to bones. When muscle contracts, tendon exerts a pulling force on the attached bone, …
Q.5 Define Joint and write down the types of Joints. Answer Joints: A joint is a location at which two or more bones make contact. Joints allow movement and provide mechanical support. Types of joints: Joints can be classified on the basis of degree of movement they allow.. 1) Immoveable joints (Fixed). 2) Slightly moveable …
Q.5 Define Joint and write down the types of Joints. Read More »
Q.4 What are the components of human skeleton? Introduction 206 bones are present in the adult human skeleton. Skeleton can divide into two parts: 1. Axial Skeleton Bones are organized into a longitudinal axis i-e axial skeleton. Axial Skeleton consists of 80 bones in the head and trunk of body. Parts It is composed of …
Q.3 Write a note on cartilage and bone in Human skeleton? Answer: Introduction Overall, the human skeleton is made of bony framework but in certain parts, this frame work is supplemented by cartilage. Connective Tissue Both cartilage and bones are types of connective tissues in animals. Most of the connective tissues contain collagen fibres in …
Q.3 Write a note on cartilage and bone in Human skeleton? Read More »
Q.2 Define human skeleton. Describe its types and role. Answer: Skeleton Skeletal system or skeleton is defined as the framework of hard articulated structures that provide physical support, attachment for skeletal muscles and protection for bodies of animals. Types of skeleton It is of two types: (i) Endoskeleton: The skeleton which is present on inside …
Q.2 Define human skeleton. Describe its types and role. Read More »
Q.1 What do you mean by Support and movement? Introduction Multicellular organisms having greater sizes, need support to keep their body mass as one unit. This is particularly true for those organisms who live on land. In human, skeleton is responsible for support and movement. (1) Movement: Movement is a general term meaning the act …
Unit 13 Support And Movement Long Questions Q.1 What do you mean by Support and movement? Q.2 Define human skeleton. Describe its types and role. Q.3 Write a note on cartilage and bone in Human skeleton? Q.4 What are the components of human skeleton? Q.5 Define Joint and write down the types of Joints. Q.6 …