Bone Basics
This is the typical number of bones found in the adult human body.
What is 206 bones?
Dracula breaks the longest bone in the human body while escaping a haunted house. This bone is found in the thigh.
What is the femur?
This is the name of the long, central shaft of a long bone.
What is the diaphysis?
This type of bone marrow produces red blood cells, white blood cells, and platelets.
What is red bone marrow?
This is known as the funny bone.
What is the humerus?
A witch lands awkwardly on her knee after flying off her broom. This small, round bone helps protect the knee joint.
What is the patella?
These are the expanded ends of a long bone that help form joints with other bones.
What are the epiphysis?
This bone protects the brain and is commonly represented by a skull in Halloween decorations.
What is the cranium?
These two skeletal structures protect the brain and the heart and lungs, respectively.
What are the skull and rib cage?
A skeleton rattles its fingers while casting a spell. The bones in its fingers belong to this category of bones.
What are long bones?
This dense connective tissue forms a strong layer of bone tissue and covers the bone's outer surface.
What is compact bone?
This feedback loop allows for calcium to be stored in bones when there is too much calcium in the blood, and will break down bone to release calcium back into the blood.
Calcium Homeostatic Regulation (Negative Feedback Loop)
This connective tissue connects bone to bone, while this other connective tissue connects muscle to bone.
What are ligaments and tendons, respectively?
A ghost bumps its head against a low ceiling in a haunted mansion. The flat bones of the skull protect this vital organ.
What is the brain?
This hollow space inside the shaft of a long bone contains bone marrow.
What is the medullary cavity?
This protein gives bones flexibility, while calcium helps make them hard and strong.
What is collagen?
These are three functions of bones besides providing support and helping the body move.
What are protecting internal organs, producing blood cells, and storing minerals and fat?
A zombie's spine is made up of these oddly shaped bones, which do not fit neatly into the long, short, or flat categories.
What are irregular bones (vertebrae)?
These are the two types of bone tissue described when the expanded ends of a long bone contain porous tissue and the shaft contains dense tissue.
What are spongy bone and compact bone?
This is the name of the condition in which bones become weak and brittle due to reduced bone density and deterioration of bone structure.
What is osteoporosis?