Skeletal System
What connects bones to bones?
Ligaments
What type of bone is the femur classified as?
Long bone
What connects bone to muscle?
Tendon
How many muscles are in the human body?
650
Contraction of muscles is due to what?
The movement of microfilaments
What is the soft tissue inside the bone that produces blood cells?
What are the two parts of the human skeleton?
Axial & Appendicular
What type of muscles attach to the bone?
Skeletal Muscles
Which type of muscle is not striated?
Smooth muscle
What protein makes up the thin filaments in a muscle fiber?
Actin
How are bones classified?
According to shape
What is a type of arthritis that occurs when uric acid builds up in the blood, causing crystals to form in the joint?
Gout
What do the muscular and skeletal systems work together to do?
Support and move the body
What are the three basic muscle types found in the body?
Skeletal muscle, cardiac muscle, and smooth muscle
What protein makes up the thick filaments in a muscle fiber?
Myosin
How many bones are in the adult human body?
206
What skeletal disorder is caused by a lack of Vitamin D, calcium, or phosphate?
Rickets
What medical doctors specialize in the diagnosis and treatment of disorders of the joints, muscles, and bones?
Rheumatologists
Where is smooth muscle found in the body?
Digestive tract; walls of blood vessels
What does the term "flexor" refer to?
A muscle that bends part of your body
What are the five functions of the skeletal system?
Support of the body, protection of soft organs, movement, storage of minerals and fats, and blood cell formation.
What are the three types of bone cells?
Osteocytes, osteoblasts, and osteoclasts
What are the complete five functions of the musculoskeletal system?
Protection of vital structures, stability, provision of body forms, storage of salts, and formation and supply of new blood cells
What are the four functions of the muscular system?
Produce movement and manipulate the environment, maintain posture, stabilize joints, and generate heat
Which types of muscles are voluntary and involuntary?
Skeletal muscle is voluntary, cardiac and smooth muscles are involuntary