Human Body Notes

35 terms by sdenomme13 

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Cell

the basic unit of structure and function in a living thing

Tissue

a group of cells that perform a function

Types of tissue

Muscle tissue- must contract and shorten_ Nervous Tissue- directs and controls movements_ Connective Tissue- provides support in your body_ Epithelial Tissue- protects body

Organ

a structure composed of tissue

Organ System

a group of organs that work together to perform a function

Skeleton

made up of all bones in a body

Vertebrae

made of 26 smaller bones(backbone)

Joint

a place in the body where 2 bones come together

Ligament

a strong connective tissue that holds the bones in movable joints together

Cartilage

another type of connective tissue that is more flexible then bone and covers the ends of the bones and keeps them from rubbing against each other

Compact Bone

located under the bones membrane and is hard and dense, but not exactly solid

Spongy Bone

has small spaces in it and is lightweight but very strong

Marrow

Red- produces most of the body's blood cells_Yellow- stores fat that can serve as an energy reserve

Sprain

occurs when a ligament is stretched too far and tear in places

Dislocation

occurs when the bone comes out of its joint

Fracture

a break in a bone

X-ray

a form of energy that travels in waves

MRI (Magnetic Resonance Imaging)

a method for taking clear images of both bones and soft tissues of the body

Involuntary Muscles

responsible for such essential activities like breathing and digesting food; cannot control these muscles

Voluntary Muscles

under your conscious control

Skeletal Muscles

attatched to the bones of your skeleton and provides force that move your bones

Tendon

a strong connective tissue that connects muscles to bone

Striated Muscle

another word for Skeletal Muscles

Smooth Muscles

are in internal organs like the stomach and blood vessels

Cardiac Muscles

found only in heart

Blood

made up of 4 components; red and white blood cells, plasma and platelets

Plasma

the liquid part of the blood

Red Blood Cells

take oxygen to your lungs and deliver it elseware in the body

Hemoglobin

an iron containing protien that binds chemically to oxygen molecules

White Blood Cells

the body's disease fighters

Platelets

cell fragments that play an important part in forming blood clots

Blood Type A

its clumping protiens are only anti-B, can recieve a safe transfusion from A and O

Blood Type B

its clumping protiens are only anti-A, can recieve a safe transfusion from B and O

Blood Type AB

its clumping protiens are none, can recieve a safe transfusion from A,B,AB and O

Blood Type O

its clumping protiens are anti-A and anti-B, can recieve a safe transfusion from O

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