Skeletal System Basics
The main function of red bone marrow.
What is producing blood cells?
A freely movable joint like the knee or elbow.
A: What is a synovial joint?
The function of tendons.
What is attach muscle to bone?
Thin filaments in muscle are primarily made of this protein.
What is actin?
The enzyme in saliva that begins carbohydrate digestion.
What is amylase?
Bone-building cells that add calcium and phosphate.
A: What are osteoblasts?
Movement that decreases a joint angle.
What is flexion?
The plasma membrane of a muscle fiber.
What is the sarcolemma?
Thick filaments in muscle are made of this protein.
What is myosin?
The wave-like muscular contractions that push food down the esophagus.
What is peristalsis?
The type of skeleton containing the skull, ribs, and vertebral column.
A: What is the axial skeleton?
Joints of the skull that do not move.
What are sutures?
The contractile unit of muscle that shortens.
What is a sarcomere?
T-tubules function to do this.
What is spread the electrical impulse?
The acid in the stomach that kills bacteria.
What is HCl (Hydrochloric Acid)?
he connective tissue surrounding the outside of a bone.
A: What is the periosteum?
Movement of a limb away from the midline of the body.
What is abduction?
The neurotransmitter required for skeletal muscle contraction.
What is acetylcholine (ACh)?
The regulatory proteins that block myosin binding sites at rest.
What are troponin and tropomyosin?
The partially digested food entering the small intestine is called this.
What is chyme?
The location where spongy bone filled with red marrow is found in a long bone.
What is the epiphysis?
Cartilaginous joints, like between ribs and sternum, allow this degree of movement.
What is slight movement?
The organelle that stores calcium in muscle cells.
What is the sarcoplasmic reticulum?
A single, quick contraction of a muscle fiber is called this.
What is a twitch?
The first part of the small intestine where bile and pancreatic enzymes enter.
What is the duodenum?