How many bones does the human skeleton have?

206 bones

what are bones made of?

organs made of dense connective tissues, mainly the tough protein collagen

what do bones contain

they contain blood vessels, nerves and other tissues

what is cartilage?

a type of dense connective tissue made of tough protein fibers.

what is a ligament?

bands of fibrous connective tissue that holds bones together

what are tendons?

connect different muscles to bones

what are the functions of the skeleto-muscular system

- provides movement and locomotion - protects organs in the cavities - help maintain homeostasis by generating internal heat.

True or False: both bone and muscle are living tissue

True

what is a compact bone?

dense, on bone surface, shaft and head of long bones

what is a spongy bone?

lines marrow cavity in long bones, heads, middle part of short, flat irregular bones, filled with red marrow

what is a long bone?

appendages, all bones of limbs except wrist and ankles

what is a short bone?

wrist and ankle

what is a flat bone?

cranium, sternum, and ribs

what are irregular bones?

vertebrae, pelvis, facial bones

what are the two parts of the skeleton?

axial and appendicular

what does the axial skeleton consist of?

skull, vertebrae, ribs, sacrum, coccyx, cranium, hyoid

what does the appendicular skeleton consist of?

scapula, clavicle, ulna, radius, carpal bones

how many bones are in the skull

22 bones

what are the two bone parts of the skull?

cranial bones and facial bones

Cranial bones include?

the frontal bone, two parietal bones, two temporal bones, the occipital bones, the sphenoid bone, and the ethmoid bone.

what is the purpose of cranial bones?

to serve as attachment sites for the muscles of the head and neck.

how many facial bones are there?

14 bones

the 14 facial bones are?

nasal bones, maxillary bones, zygomatic bones, palatine, vomer, lacrimal, inferior nasal conchae, and mandible.

what bones are in the vertebral column?

7 cervical vertebrae, 12 thoracic, 5 lumbar, 1 sacrum, 1 coccyx

Where is the 7 cervical vertebrae bones located?

(C1-C7) Breakfast

where are the 12 thoracic bones located ?

(T1-T12) lunch

where are the 5 lumbar bones located?

(L1-L5) dinner

How many ribs do the thoracic vertebrae have attached to them

12 pairs of ribs

The thoracic cage consists of?

ribs, sternum, thoracic vertebrae, and costal cartilage (12 ribs on each side, 11-12 are floating, 8-10 are sharing with 1-7).

what are the three types of ribs?

true, false, floating

where is the pectoral girdle located?

above each arm, consisting of the scapula (shoulder blade) andclavicle (collar bone)

the arm, the forearm, the wrist and the hand consist of how many bones?

30 bones

what is the humerus?

largest and longest bone of the upper limb and the only bone of the arm

what two bones are included in the forearm?

ulna and radius

what is the radius?

it is located along the lateral side of the forearm, articulates with the humerus at the elbow.

what is the ulna?

located on the medial aspect of the forearm, is longer than radius

how many bones are in the phalanges in the hand?

14 bones

what are the three bones in an adult hip?

ilium, ischium, and pubis

what are the bones in the lower limb?

femur (thigh bone), patella (kneecap), tibia and fibula (bones of the leg), tarsals (bones of the ankle), and metatarsals and phalanges (bones of the foot).

what does osteoporosis mean?

it is a disease in the skeletal system that causes your bones to be more brittle and weaker due to a loss of minerals and calcium.

how many bones are in the thoracic cage?

25 bones

how many bones are in the upper limbs?

60 bones

how many bones are in the lower limbs?

60 bones

what is in the center of each osteon?

central canal (haversian canal)

what does the central canal do for the osteon?

houses the blood and nerve supply for the bone

what are lacunae?

small holes in bone matrix

what is contained in the canuliculi?

contains nutrient fluids.

Which strong tissue will hold the maximum body weight

fibrocartilage

Chondrocytes are cells found in:

cartilage

In turning a page, you would mainly be using what type of tissue?

skeletal muscle

Which of the following is not considered a basic tissue type?

fat

The stripes in skeletal muscle are due to the presence of

actin and myosin filaments.

Brad placed a drop of blood in some distilled water. What happened in the red blood cells?

the cell bursts

Which type of tissues make up the epidermis?

stratified squamous epithelium

Of the three types of muscle tissue, which is voluntary?

skeletal muscle

Which type of tissue covers body surfaces and lines body cavities?

epithelial tissue

What do smooth, cardiac, and skeletal muscle all have in common?

they are all involved in some sort of movements.