Unit 13: Support and movement

What is Support and Movement?

Support and Movement is a key chapter in Biology that explores the mechanisms by which organisms maintain structural integrity and enable movement. This unit covers the different types of support systems, such as the skeletal system in animals and the structural adaptations in plants, and examines how these systems contribute to mobility and stability. Students will learn about the roles of bones, muscles, and connective tissues in animals, as well as the various strategies plants use for support and movement.

Key Topics in Support and Movement:

• Skeletal System: Understanding the structure and function of the skeletal system in animals, including bones, joints, and cartilage.
• Muscular System: Exploring the types of muscles (skeletal, smooth, and cardiac) and their roles in movement and support.
• Locomotion: Examining the mechanisms of movement in different animals, including humans, and the interplay between muscles and bones.
• Plant Support Structures: Investigating how plants maintain structural support through cell walls, turgor pressure, and specialized tissues.
• Movement in Plants: Learning about plant movements such as tropisms and nastic responses that aid in growth and survival.
• Injury and Repair: Understanding how organisms repair and regenerate support structures following injury.

Benefits of Studying Support and Movement:

• Foundation for Anatomy: Provides essential knowledge of the anatomy and physiology of support and movement systems in both animals and plants.
• Health and Fitness: Enhances understanding of how the musculoskeletal system functions, contributing to better health, fitness, and injury prevention.
• Scientific Insight: Prepares students for advanced studies in biology, medicine, and related fields by mastering concepts of structural support and movement mechanisms.

This chapter is vital for students to understand how organisms achieve stability and mobility, offering a comprehensive view of the support and movement systems that are crucial for survival and function. Mastering these concepts will greatly aid in academic success and further studies in biological sciences.

1. Find the ball and socket joint

a. joint in the finger bones
b. joint of neck and skull bones
c. joint at elbow
d. joint at pelvic girdle and leg bones

2. All these are parts of axial skeleton of humans except

a. ribs
b. sternum
c. shoulder girdle
d. vertebral column

3. The disorders in which there is an accumulation of uric acid in joints

a. gout
b. rheumatoid arthritis
c. osteoporosis
d. osteo-arthritis

4. What is correct about tendons

a. Tendons are flexible and they join muscles with bones
b. Tendons are non-flexible and they join bones with bones
c. Tendons are non- flexible and they join muscles with bones
d. Tendons are flexible and they join muscles with muscles

5. How many bones make our skull

a. 14
b. 22
c. 24
d. 26

6. What are the main components of a bone

a. marrow,spongy bone, wax
b. marrow,compact bone, wax
c. marrow,compact bone,
d. marrow,compact bone,spongy bone

7. What do some bones produce

a. mucous
b. harmones
c. oxygen
d. blood cells

8. How would you define skeletal system

a. All the bones in body
b. All the muscles and tendons
c. All the body’s organs, both soft and hard tissues
d. All the bones in body and the tissues that connect them

9. Find The incorrect statement

a. bone is where most blood cells are made
b. bones serves as a storehouse for various minerals
c. bone is a dry and non-living supporting structure
d. bone protects and supports the body and its organs

10. The purpose of rib cage is to

a. protect the stomach
b. protect the spinal cord
c. protect heart and lungs
d. provide an object to which the lungs can attach