Science Human Body Test
About this set
Created by:
Exam_Freak on May 25, 2009
Subjects:
science, anatomy and physiology
Description:
Here you go, I know this saves a lot of time.
Classes:
This Group Rocks, This Group Rocks No. 2
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57 terms
Terms | Definitions |
|---|---|
cell | basic unit of structure and function in body |
vertebra | 26 of them;located on backbone, give body shape |
bones | rigid connective tissue that makes up the skeleton of vertebrates |
homeostasis | organisms stable inner core |
joints | where bones come together |
hinge | joint that moves back and forth |
ball and socket | joint that moves in a circle |
pivot | joint that rotates |
gliding | joint that glides |
involuntary muscle | muscles not under control; ex: breathing, and blinking |
voluntary muscle | muscle under control; ex: smiling, walking, laughing, note taking |
ligament | strong connective tissue |
tendon | a cord or band of inelastic tissue connecting a muscle with its bony attachment |
the six nutrients | Carbs, Fats, Proteins, Vitamins, Minerals, Water |
amino acids | small units that make proteins |
water | most important nutrient; used in most chemical reactions in body |
protein | C,H,O, + N ; function is tissue growth and repair |
glucose | a simple carbohydrate |
carbohydrate | C, H, O; function is to provide energy, to provide raw materials to make new cell parts |
trachea | made of cartilage, lined with cilia and mucus |
pharynx | throat, shared with digestive system, connects mouth and nose |
absorption | process by which nutrient molecules pass through wall of digestion system into blood |
digestion | breaks down food into small molecules |
respiration | The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells |
components of blood | plasma, red blood cell, white blood cells, platelets |
blood types | A, A+, B, B+, AB, AB+, 0, 0+ |
atrium | Each of the two upper chambers; receives blood that comes into the heart |
ventricle | Each lower chamber; pumps blood out of the heart |
vein | blood vessels that carry blood back to the heart |
artery | blood vessels that carry blood away from the heart |
lymphatic system | network of vessels that returns fluid to blood stream |
phagocytes | engulfs and destroys pathogens |
hemoglobin | contains iron |
heart attack | reduced blood flow leads to this |
atherosclerosis | disease when your arteries get smaller |
hypertension | consistent higher than normal blood pressure |
nephrons | a tiny filtering factory |
ureters | tubes lead from kidney to bladder |
kidneys | main organ of excretory system |
urea | is a chemical that comes from the breakdown of proteins |
neuron | nerve cell |
nerve | A bundle of nerve fibers |
nerve impulse | message neuron carries |
sensory neurons | pick up impulse and convert it |
inter neuron | carry impulse from one neuron to another |
motor neuron | sends message to muscle or gland |
Endocrine System | Regulate long term changes such as growth and development; produces chemicals that control body's daily activity's |
Signals of Hypothalamus | nerve impulses and hormones |
pituitary gland | small, regulates blood pressure, homeostasis, and growth and development |
negative feedback | when too much of a certain hormone cuts of the gland producing |
target cells | lock and key |
hormones | can slow, start, speed up process, chemical product of endocrine system |
stages of childbirth | labor, delivery, afterbirth |
stages of human development | infancy, childhood, adolescence, adulthood, aging |
amniotic sac | membrane that surrounds embryo and cushions it |
placenta | link between mom and baby |
umbilical cord | on your belly button, when inside mother gives you food and water |
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