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BIO 253 - Exam 1 Questions with Complete Solutions Graded A+
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BIO 253 - Exam 1 Questions with Complete Solutions Graded A+
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BIO 253 - Exam 1 Questions with Complete Solutions Graded A+Denning Muriithi [Date] [Course title] BIO 253 - Exam 1
.Anatomy Correct Ans: Structure
2.Physiology Correct Ans: Function
3.Level of organization in the body Correct Ans: - Atom
-Molecule
-Macromolecule
-Cell
-Tissue
-Organ
-Organ system
-Organism
4.Homeostasis Correct Ans: Maintenance of a stable internal environment
5.Negative feedback Correct Ans: - Most common in body
-Effectors return conditions to normal
-Shuts off when normal state is reached, counters/corrects something
-Long-lived
-Think furnace thermostat
-BP, glucose, temp, hormones
6.Positive feedback Correct Ans: - Change is intensified, keeps stimulating until homeostasis is reached
-Can produce unstable conditions in the beginning
-Short-lived
-Labor, blood clotting, sneezing
7.Axial skeleton Correct Ans: - Head, neck, trunk
-Down the middle
8.Appendicular skeleton Correct Ans: - Limbs, girdles
-Peripherals
9.Diaphragm Correct Ans: - Separates thoracic & abdominopelvic cavities
-Smooth muscle
-Breathing
10.Mediastinum Correct Ans: - Space between lungs
-Houses heart
11.Serous membranes Correct Ans: - Line closed cavities
-Visceral
-Parietal
12.Visceral membranes Correct Ans: Cover organs
13.Parietal membranes Correct Ans: Line the cavities
14.Serous fluids Correct Ans: Separates membranes
15.Pleura Correct Ans: Lungs
16.Pericardium Correct Ans: Heart BIO 253 - Exam 1
.Peritoneum Correct Ans: GI tract
18.Integumentary system Correct Ans: - Skin, hair, nails, glands
-Produces Vitamin D
-Sensory, protection, temp regulation
19.Skeletal system Correct Ans: - Bones
-Support
20.Muscular system Correct Ans: - Muscles
-Movement, posture, heat
21.Nervous system Correct Ans: - Neurotransmitters
-Nerve impulses
-Yellow
-Fast transmission of messages
-Short-lived
22.Endocrine system Correct Ans: - Chemical messengers called hormones
-Slow transmission of messages
-Long-lived
23.Cardiovascular system Correct Ans: - Heart, blood vessels
-Transport
24.Lymph system Correct Ans: - Lymph, lymph nodes, spleen
-Green
-Defensive
25.Digestive system Correct Ans: - Break down food
-Excrete wastes
26.Respiratory system Correct Ans: - Lungs
-Gas exchange of O2 & CO2
27.Urinary system Correct Ans: - Kidneys, ureters, bladder, urethra
-Removal of blood wastes
-Regulates H2O, electrolytes, BP
28.Reproductive system Correct Ans: - Offspring
-Transport of sex cells
-Production of hormones
29.Anatomical position Correct Ans: To stand erect facing forward with arms at the sides and palms of the hands turned forward with feet flat on the floor
30.Anterior/Ventral Correct Ans: Front
31.Posterior/Dorsal Correct Ans: Back
32.Superior Correct Ans: Top
33.Inferior Correct Ans: Bottom
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