Homeostasis

ability to maintain a relatively constant internal environment in the body

• Negative feed back loop
• *immediately reverses the situation to restore homeostasis
• ^ ex. blood pressure or body temp
• Positive feed back loop
• *must first intensify the situation to restore homeostasis
• ^ ex. child birth

Keep the body aware of any changes and also attemps to correct the situation to restore homeostasis

• Normal controlled condition
• Receptor
• Control Center
• Effector

• are made of an element that retian the elements physical and chemical properties.
• These bond together to form molecules.

are also made of atoms that are bonded together but, it must be two or more different atoms

the smallest units of an element that retain the elements physical and chemical properties. These bond together to form molecules.

protons, neutrons, electrons

the basic building blocks of matter that cannot be broken down by chemical means

anything that has weight and takes up space

• muscle cell
• muscle tissue
• organ
• organ system organism

ALWAYS there left and right NOT yours!

above

below

in front of

behind

between a more medical and a more lateral structure

closer to the orgin of the body part or the point of attachment of a limb to the body trunk

farther from the orgin of a body part or the point of attachment of a limb to the body trunk

Toward or at the body surface

Away from the body surface; more internal

• frontal
• orbital
• nasal
• oral
• mental

• sternal
• axillary
• mammary

umbilical

inguinal (growing)

• acromial
• brachial (arm)
• antecubital (forearm)
• carpal (wrist)

• pollex
• metacarpal
• palmar
• digital

• coxal (hip)
• femoral (thigh)
• patellar
• popliteal
• crural (leg)
• Sural (calf)
• Fibular or peroneal

• tarsal (ankle)
• calcaneal
• metatarsal
• digital
• plantar
• hallux

• otic
• occipital

• scapular
• vertebral
• lumbar
• sacral
• gluteal
• perineal

Divides bpdy into left and righ parts

sagittal plane that directly divides the body into equal left and right parts

all other sagittal planes

Divides body into front and back halfes

Divides body into superior and inferior planes (top half and bottom half)

Diagonal planes or section

Centermost, near umbilical or navel

Above the umbilical region

Below the umbilical

lateral to the hypogastric region

to the right and left of the umbilical region

Lateral to the epigastric region

• Chemical
• Cellular