Skeletal system bones notes
Learn about the bones in the human skeletal system. Understand their names, types, and functions.
Quiz(16 vragen)
1. Which bone is the longest in the human body?
Termen in deze set(19)
What is the skeletal system?
The skeletal system is made up of bones, cartilage, and ligaments. It supports the body and protects organs.
Function of bones
Bones provide structure, protect organs, anchor muscles, and store calcium.
Number of bones in adults
Adults have 206 bones in their bodies. Babies have about 270 bones.
Difference between axial and appendicular skeleton
The axial skeleton includes the skull, spine, and ribs. The appendicular skeleton includes limbs and girdles.
True or false: Bones grow throughout life.
False, because bones grow until adulthood, then they don't grow longer.
What are long bones?
Long bones are longer than they are wide. Examples include the femur and humerus.
Fill in the blank: The ______ protects the brain.
The skull protects the brain.
What is the femur?
The femur is the longest bone in the body. It is located in the thigh.
True or false: The rib cage is part of the axial skeleton.
True, because the rib cage protects the heart and lungs.
How many ribs do humans have?
Humans have 24 ribs, 12 on each side of the rib cage.
Difference between compact and spongy bone
Compact bone is dense and strong. Spongy bone is lighter and has holes.
What is the vertebral column?
The vertebral column, or spine, consists of vertebrae that protect the spinal cord.
Fill in the blank: The ______ is the small bone in the lower leg.
The fibula is the small bone in the lower leg.
Question: What are flat bones?
Flat bones are thin and flat. Examples include the skull and sternum.
What role does bone marrow play?
Bone marrow produces blood cells. There are red and yellow types.
True or false: Cartilage is harder than bone.
False, because cartilage is softer and more flexible than bone.
What is the purpose of the pelvis?
The pelvis supports the lower body and protects reproductive organs.
Difference between osteoblasts and osteoclasts
Osteoblasts build bone; osteoclasts break down bone.
True or false: Bones are alive.
True, because bones contain living cells and require nutrients.
Vragen in deze set(16)
1. Which bone is the longest in the human body?
2. What does the axial skeleton include?
3. Which is NOT part of the skeletal system?
4. What protects the spinal cord?
5. Which type of bone is the sternum?
6. What type of bone marrow produces blood cells?
7. What do osteoclasts do?
8. True or false: Bones can grow throughout life.
9. Which of the following is a function of the skeletal system?
10. What is the role of cartilage in the skeleton?
11. Which part of the skeleton includes limbs?
12. How many bones are in the human skull?
13. Fill in the blank: The ______ bones protect the heart and lungs.
14. What is the smallest bone in the human body?
15. What connects muscles to bones?
16. What is the primary mineral stored in bones?
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