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Science Final Exam
includes vocabulary for 7th grade science final exam
| Question | Answer |
|---|---|
| Adrenal Gland | Produces ADRENALINE in response to physical or emotional stress (fight or flight) |
| Heart | Major organ of cardiovascular system -cardiac muscle allows it to pump -cardiac muscle is skeletal and doesn't tire easily -four sections: Right and left atrium, and right and left ventricle |
| Stomach | Food undergoes mechanical digestion when stomach muscles churn the food -chemical digestion occurs when HCI and pepin break down proteins |
| Kidneys | Filter blood that has collected wastes from cells -Nephrons: filters in the kidneys |
| Urinary Bladder | Muscular organ that holds urine |
| Ureters | tubes that lead from each kidney to the bladder |
| Esophagus | Smooth muscles force food into the mucus-lined esophagus -peristalsis moves food downward |
| Small intestine | Most digestion occurs here because the small intestine is six meters long Intestinal juices break down food |
| Large intestine | undigested food spends about 18 to 24 hours here, and most of the water is absorbed Materials that are not absorbed then become solid waste 1.5 meters long |
| Urethra | Tube that carries urine from the bladder out of the body |
| Brain | the central organ of the nervous system which is protected by the skull. Coordinates actions |
| Joint | Any place where two or more bones meet |
| Ligament | Tough bans of tissue that hold bones together at the joint |
| Diaphragm | a muscular area that helps the lungs expand and contract |
| Voluntary Muscle | Can be controlled All striated muscles except cardiac muscles are voluntary Skeletal Muscle |
| Sensory neuron | Picks up a stimulus and turns it into a nerve impulse |
| Recessive trait | A trait that can be carried in a person's genes without appearing in that person |
| Phenotype | A trait's observable characteristics |
| heredity | The passing of characteristics from parents to children |
| Involuntary Muscle | Unable to control these cardiac and smooth |
| genotype | the way a trait is expressed in letters |
| dominant trait | an observable trait |
| Pancreas | produces pancreatic juices that are released into the small intestine to break down proteins, starches, and fats Produces insulin which controls sugar levels in the blood |
| Parathyroid | produces parathormone which controls calcium levels |
| Pituitary gland | "Boss Gland" Produces a growth hormone which controls growth and homeostasis |
| Thyroid | Produces thyroxin to regulate metabolism |
| Testes | Produces testosterone used in sperm production and the development of male traits |
| Ovaries | produce estrogen used in egg production and the development of female traits |
Created by:
mariette.buzad
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