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digestive system - answer ✔✔-comprised of the mouth stomach intestines. uses enzymes to
break down foot that we eat to release it into bloodstream and absorbed into cells. rids body of
undigested food that don't enter bloodstream in stool.
respiratory system - answer ✔✔-nose mouth trachea lungs. gas exchange and pH regulation.
removes CO2 from blood and exchanges for O2
circulatory system - answer ✔✔-made up of heart blood vessels lymphatics blood cells. internal
transport, pH maintenance temperature stability. delivers nutrition and oxygen to cells and
carries waste products and CO2 away from cells.
immune system - answer ✔✔-defense system protects from foreign substances or particles
when exposed. white blood cells and lymph nodes. maintains homeostasis.
excretory system - answer ✔✔-enables disposal of metabolic wastes, regulation of salt, fluids
and electrolytes. allows waste removal from bloodstream via liver kidneys and urinary bladder
skin and lungs.
integumentary system - answer ✔✔-skin- protects organs. defense skin doesnt allow foreign
bodies in. skin makes vitamin D and assists in excretion.
,musculoskeletal system - answer ✔✔-hips, spinal column, deltoids quadriceps. protects
movement support and shape. supports production of blood and serves as storage sites for
some minerals. muscle allow movement strength posture and heat production. muscles work
together to move the body.
nervous system - answer ✔✔-brain spinal cord and nerves. integrates body function through
nerves detects stimuli secretes chemicals and electrical signals and controls other organ
systems.
endocrine system - answer ✔✔-hypothalamus pituitary glands adrenal glands pancreas and
gonads. Integrates body through chemicals hormones. cells use hormones to communicate with
each other. hormones are needed to maintain homeostasis.
reproductive system - answer ✔✔-scrotum testes prostate gland vas degerens and penis (male)
ovaries fallopian tubes uterus cervix vagina (female) provides mechanisms for internal
fertilization and production of new offspring.
phylum chordata - answer ✔✔-1. urochordatea
2. cephalochordata
3. vertebrata (humans, fish, reptiles, amphibians, and mammals)
vertebrata - answer ✔✔-humans are this because unlike the urochordates and
cephalochordates we have a column of bones (backbone) and a tube within a tube construction
(vertebrata have an outer tube formed by a body wall and inner tube in the digestive tract.
Humans have bilateral symmetry that is. the left side of body is a mirror image of the right side.
anatomical position - answer ✔✔-human body is standing postion with palms facing forward.
When prone human body is postion posteriorly so you have back side view.
superior - answer ✔✔-toward head end of the body. EX: chin is superior to the shoulder.
, Inferior - answer ✔✔-means below or away from head of body. EX: the belly button is inferior
to the nose
Anterior - answer ✔✔-near the front of the body EX: nose is anterior to the buttocks.
Posterior - answer ✔✔-mean near the back of the body EX: the heart is posterior to the ribs
medial - answer ✔✔-closest to the midline of body EX: the big toe is medial to the little toe
lateral - answer ✔✔-further away from midline of body EX: appendix is lateral to the stomach.
proximal - answer ✔✔-toward nearest point of origin of a part,EX: the wrist is proximal to the
digitals.
distal - answer ✔✔-away from point of origin of a part. EX: finger nail is distal to the phalange.
superficial - answer ✔✔-toward the surface of body EX: the ribs are superficial to the heart
deep - answer ✔✔-away from surface of body EX: the brain is deep to the skull
dorsal - answer ✔✔-refers to the back
vertral - answer ✔✔-refers to teh abdominal area
dorsal cavity - answer ✔✔-contains cranial and spinal parts