anatomy homework 1

liver, spleen, stomach, gallbladder

abdominal cavity

lungs and heart

thoracic cavity

brain

cranial cavity

internal reproductive organs

pelvic cavity

endocrine system

main system that secretes hormones that function in the intergration and coordination of the body

integumentary system

provides an outer covering of the body for protection

nervous system

stimulates muscles to contract, interprets information form sensory organs, and functions in the integration and coordination of the body

skeletal system

provides a framework and support for soft tissues and produces blood cells in red marrow

respiratory system

exchange gases between air and blood

lymphatic system

transports excess fluid from tissues to blood and helpsdefend the body against infections

muscular system

involves contractions and movement of the joints of the body and creates most body heat

urinary system

removes liquids and wastes from blood and transports them to the outside of the body

digestive system

breaks down and converts food molecules into absorbable form

cardiovascular system

transports nutrients, wastes, and gases throughout the body

the mouth is __ to the nose

inferior

the larynx is __ to the esophagus

anterior

the hand is __ to the elbow

distal

the spleen and gallbladder are __

contralateral

the popliteal surface region is __ to the patellar region

posterior

antecubital

anterior region of elbow

axillary

armpit

brachial

arm

buccal

cheek

carpal

wrist

cephalic

head

cervical

neck

crural

leg

cubital

posterior region of the elbow

digital

finger or toe

genital

reproductive organs

gluteal

buttocks

inguinal

abdominal wall near thigh (groin)

lumbar

lower back

mammary

breasts

occipital

inferior posterior region of head

palmar

palm

pectoral

chest

pedal

foot

perineal

between anus and reproductive organs

plantar

sole of foot

popliteal

posterior region of knee

sternal

middle of thorax

tarsal

ankle

atomic number

the number of protons in an atom

atomic weight

the number of protons plus the number of nutrons

base

a substance that combines with hydrogen ions

catalyst

a molecule that influences the rate of chemical reactions but is not consumed in the reaction

compound

a combination of two or more atoms of different elements

covalent bond

atoms are held together by sharing electrons

electrolyte

a substance that releases ions in water

electron

a small, negatively charged particle that orbits the nucleus

elements

the most fundamental substances of water

ion

an atom that has gained or lost electrons and thus carries an electric charge

isotopes

two atoms with the same atomic number but different atomic weights

nucleus

the area of an atom where protons and neutrons are located