Mnemonics: Locomotion and Movement - Biology Class 11

There are total 206 bones in the human body. It might seem daunting to remember each one, along with their numbers. To simplify this, we'll break down the bones into 2 types of skeleton (Axial and Appendicular) & various types of joints and use mnemonics to make memorisation easier and more fun. Ready to learn all about your bones engagingly? Let's get started!

1. Axial Skeleton (Total: 80 bones)

Mnemonic: "See Cool Faces, Ears, Happy Vertebrae Talking"

See = Skull (29)
Cool = Cranial bones (8)
Faces = Facial bones (14)
Ears = Ear Ossicles (6)
Happy = Hyoid Bone (1)
Vertebrae = Vertebral Column (26)
Talking = Thoracic Cage (25)

(i) Skull (Total: 29 bones)

(a) Cranial Bones (8 bones): Protect the brain.

Mnemonic: "Stick Each Flower On This Paper"

(b) Facial Bones (14 bones): Framework of the face.

Mnemonic: "Mrs Zidane Loves Indian Nashta & Pasta Very Much"

(c) Ear Ossicles (6 bones): Involved in hearing.

Mnemonic: "Mailing Includes Stamps"

Mnemonics: Locomotion & Movement | Biology Class 11 - NEET

(d) Hyoid Bone (1 bone): Supports the tongue.

Mnemonic: "Hyoid Holds"

H = Hyoid (1)

(ii) Vertebral Column (Total: 26 bones)

Mnemonic: "Charlie Tucker Likes the School Centre"

(iii) Thoracic Cage (Total: 25 bones)

Mnemonics: Locomotion & Movement | Biology Class 11 - NEET

Mnemonic: "Ribs Ringing Silently"

Ribs Ringing = Ribs (24 bones: 12 pairs)
Silently = Sternum (1 bone)

2. Appendicular Skeleton (Total: 126 bones)

(i)Upper Limbs (Total: 60 bones)

Mnemonic: "Hurry, Read Unique Comics, Maybe Plan"

Hurry = Humerus (2)
Read = Radius (2)
Unique = Ulna (2)
Comics= Carpals (16; 8 per wrist)
Maybe = Metacarpals (10; 5 per hand)
Plan = Phalanges (28; 14 per hand)

(ii) Lower Limbs (Total: 60 bones)

Mnemonic: "Feel Tall, Flex, Pat, Try Many Paths"

Feel = Femur (2)
Tall = Tibia (2)
Flex = Fibula (2)
Pat = Patella (2)
Try = Tarsals (14; 7 per ankle)
Many = Metatarsals (10; 5 per foot)
Paths = Phalanges (28; 14 per foot)

(iii) Pectoral Girdle (Total: 4 bones)

Mnemonic: "Shoulders Clap"

Shoulders = Scapula (2)
Clap = Clavicle (2)

(iv) Pelvic Girdle (Total: 2 bones)

Mnemonic: "Hip’s Part"

H = Hip bones (2; each formed by the fusion of the ilium, ischium, and pubis)

3. Types of Joints

Mnemonic: "Fibres Can't Stretch, But Hands Prefer Gliding Smoothly"

(i) Fibres Fibrous Joints: No movement.

Example: Cranium (Skull sutures).

(ii) Can't = Cartilaginous Joints: Limited movement.

Example: Spine (Between vertebrae).

(iii) Stretch = Synovial Joints: Free movement.

But = Ball and Socket: Shoulder (Humerus and pectoral girdle).
Hands= Hinge: Knee.
Prefer = Pivot: Neck (between atlas and axis).
Gliding = Gliding: Wrist (between carpals).
Smooth = Saddle: Thumb (between carpal and metacarpal).

FAQs on Mnemonics: Locomotion & Movement - Biology Class 11 - NEET

	Biology Class 11 179 videos\|523 docs\|136 tests

1. What are the main components of the axial skeleton?

Ans.The axial skeleton consists of 80 bones, including the skull, vertebral column, and rib cage. The skull protects the brain and supports facial structures, the vertebral column provides support and houses the spinal cord, and the rib cage protects the heart and lungs.

2. How many bones are in the appendicular skeleton, and what are its primary functions?

Ans.The appendicular skeleton consists of 126 bones, including the limbs and the girdles (shoulder and pelvic girdles). Its primary functions are to facilitate movement, support the weight of the body, and provide attachment points for muscles.

3. What are the different types of joints found in the human body?

Ans.There are three main types of joints: fibrous joints (immovable), cartilaginous joints (partially movable), and synovial joints (freely movable). Synovial joints are further classified into several subtypes, including hinge, ball-and-socket, and pivot joints, each allowing different ranges of motion.

4. How do joints contribute to locomotion and movement?

Ans.Joints play a crucial role in locomotion and movement by allowing bones to pivot and rotate around each other. This movement is essential for activities such as walking, running, and jumping, as joints provide the flexibility and range of motion needed for effective movement.

5. What are some common joint injuries and their implications for movement?

Ans.Common joint injuries include sprains, strains, and dislocations. These injuries can lead to pain, swelling, and decreased mobility, which can significantly impact a person's ability to perform daily activities and engage in physical exercise. Proper treatment and rehabilitation are essential for recovery.

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Mnemonics: Locomotion & Movement | Biology Class 11 - NEET PDF Download

1. Axial Skeleton (Total: 80 bones)

(i) Skull (Total: 29 bones)

(ii) Vertebral Column (Total: 26 bones)

(iii) Thoracic Cage (Total: 25 bones)

2. Appendicular Skeleton (Total: 126 bones)

(i)Upper Limbs (Total: 60 bones)

(ii) Lower Limbs (Total: 60 bones)

3. Types of Joints

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