How many bones are in the axial skeleton? - ANSWER- 33 bones of the vertebral column.
How many cervical vertebrae are there? - ANSWER- 7.
How many thoracic vertebrae are there? - ANSWER- 12.
How many lumbar vertebrae are there? - ANSWER- 5.
How many sacral vertebrae (fused to form the sacrum) a...
How many bones are in the axial skeleton? - ANSWER- 33 bones of the vertebral column.
How many cervical vertebrae are there? - ANSWER- 7.
How many thoracic vertebrae are there? - ANSWER- 12.
How many lumbar vertebrae are there? - ANSWER- 5.
How many sacral vertebrae (fused to form the sacrum) are there? - ANSWER- 5.
Coccygeal vertebrae - ANSWER- Tailbone.
Remaining axial skeleton - ANSWER- Bones of the thorax, the sternum, and the 12 pairs of
ribs.
What is in the appendicular skeleton? - ANSWER- Girdles and limbs.
What is in the upper appendicular skeleton? - ANSWER- Pectoral or shoulder girdle, clavicle,
scapula and upper extremity.
Bones of the arm - ANSWER- Humerus, radius, ulna, the carpals (wrist bones), metacarpals
(bones of the hand), and the phalanges (bones of the fingers)
What is in the lower appendicular skeleton? - ANSWER- Pelvic girdle or coxae
,What does the os coaxe consist of? - ANSWER- Fused ilium, ischium and pubic
Bones of the lower extremity - ANSWER- Femur (thigh bone), the tibia, fibula, tarsals (ankle
bones), metatarsals (bones of the foot), and the phalanges
Muscle contraction results from? - ANSWER- The sliding together of actin and myosin
filaments within the muscle or fiber
Each muscle consists of? - ANSWER- myofibrils
Myofibrils are made up of? - ANSWER- Sacromeres
What must be present for muscle cell contraction? - ANSWER- Calcium and ATP
Voluntary muscles - ANSWER- Under conscious control
Involuntary muscles - ANSWER- Not under conscious control
Prime mover - ANSWER- Muscle that executes a given movement
Antagonist - ANSWER- Muscle that produces the opposite movement
Synergists - ANSWER- Muscles that may work in cooperation with the prime mover
Flexors - ANSWER- Reduce the angle at the joint
Extensors - ANSWER- Increase the angle at the joint
Abductors - ANSWER- Draw a limb away from the midline
Adductors - ANSWER- Return the limb back toward the body
, Anatomic position - ANSWER- The body is erect, the feet are slightly apart, the head is held
high, and the palms of the hands are facing forward
Superior - ANSWER- Above
Inferior - ANSWER- Below
Anterior - ANSWER- Facing forward
Posterior - ANSWER- Toward the back
Medial - ANSWER- Toward the midline
Lateral - ANSWER- Away from the midline or toward the sides
Proximal - ANSWER- Closer tot he point of attachment
Distal - ANSWER- Away from the point of attachment
Histology - ANSWER- Study of tissues
Neuroglia - ANSWER- Nerve tissue is composed of neurons and connective tissue cells
Cell - ANSWER- The basic unit of life and the building block of tissues and organs
Voluntary muscle - ANSWER- Skeletal muscles
Involuntary muscle - ANSWER- Smooth muscle and cardiac muscle tissue
Epithelial tissue - ANSWER-
Connective tissue - ANSWER-
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