10th Class Biology Chapter 4 Support & Movement Short Questions Answer
The 10th Class Biology Chapter 4 takes students on an enthralling expedition into the complexities of biology, specifically focusing on “Support and Movement.” This chapter thoroughly explores the mechanisms that govern the structural support and coordinated motion within living organisms. Throughout their journey, students will come across a series of concise 10th Class Biology Chapter 4 Support & Movement Short Questions Answer that act as crucial checkpoints for learning. These thought-provoking inquiries not only evaluate comprehension but also foster a deeper understanding of the fundamental principles that underlie support and movement in biological systems. By actively engaging with these short questions, students will unlock a more profound comprehension of the awe-inspiring biological wonders that shape the dynamic processes of life.
10th Class Biology Chapter 4 Support & Movement Short Questions Answer
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Here we are providing complete chapter wise Biology questions and Answers for the 10th class students. All the visitors can prepare for their 10th class examination by attempting below given question answers.
In this List we have included all Punjab boards and both Arts and Science students. These Boards students can prepare their exam easily with these short question answer section
Lahore Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
Rawalpindi Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
Gujranwala Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
Multan Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
Sargodha Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
Faisalabad Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
Sahiwal Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
DG Khan Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
Bahawalpur Board 10th Class Biology Chapter 4 Support & Movement short questions Answer
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Compact bone is hard outer layer of bone while the spongy bone is interior of bone which contains blood vessels and bone marrow.
Andreas Vesalius (1514-1564) was born in Brussels, Belgium, He made many discoveries in anatomy.
It is very hard connective tissues
1: It protects the various parts of body
2: It products red and white blood cells
3: It stores minerals
1: Hyaline cartilage
2: Elastic cartilage
3:Fibrous cartilage
It is a dense, clear blue-white firm connective tissues. The cells of cartilage are called chondrocytes. The matrix of cartilage contains collagen fibers. Blood vessels do not enter the cartilage.
The mature bone cells are called osteocytes
1: Skull protects brain
2: Vertebral column protects spinal cord
3: Ribs protect the lungs, heart and kidneys
Theses joints allow no movement e.g the joints between the skull bones.
Ball and socket joints allow movement in all directions e.g Hip joint, shoulder joint
Upper jaw: Upper jaw is fixed with skull and is composed of two bones.
A joint is the location at which two or more bones make contact
Role:
Joints allow no movement and provide mechanical support
126 bones.
Tendons are tough non elastic bands of connective tissues these attach muscles to bones.
The joints allow slight movement e.g. joints between the vertebrate.
Compact bone is hard outer layer of bone while the spongy bone is interior of bone which contains blood vessels and bone marrow.
Hinge joints move back and forth and allow movements in one place only e.g knee joint, elbow joint
Upper jaw: Upper jaw is fixed with skull and is composed of two bones
33 vertebrae
These joints allow no movement e.g. the joints between the skull bones.
The joints allow a variety of movement
Types:
1: Hinge joints
2: Ball and socket joints
Babies = 300 bones
Adults 206 bones
A joint is the location at which two or more bones make contact. Role: Joints allow movements and provide mechanical support.
Ligaments are strong but flexible bands. They join one bone with another and prevents dislocation of bones at joints.
1: Pectoral girdles
2: Pelvic girdle
3: Legs and feet
4: Arms and hands
Movement: Movement in a general term meaning act of changing place or position by entire body or by its body parts.
When a muscle contracts and blends the joint. It is known as flexor and the movement is called flexion.
1: Skull
2: Middle ear ossicles
3: Vertebral column
4: Sternum and ribs
When a muscle contracts and blends the joint, it is known as flexor and the movement is called flexion.
The phenomenon when pairs of muscles work in opposite way, one contracts, other is relaxed or vice versa is called antagonism.
i) Exoskeleton: The skeleton which is present outside the body is called exoskeleton e.g. arthropods.
ii) Endoskeleton: The skeleton which is present inside the body is called endoskeleton e.g. vertebrates.
