BI 121 Lecture Exam 1 100% Verified
Visceral membrane - Answer - ✔✔Closest to the organ
Parietal membrane - Answer - ✔✔Closest to the cavity
Pleural - Answer - ✔✔Lungs
Pericardial - Answer - ✔✔Heart
Peritoneal - Answer - ✔✔Abdominopelvic
Anatomy - Answer - ✔✔Study of structure. Where is it located? What is it made up of?
Physiology - Answer - ✔✔Study of function. What does it do? How does it do it?
Levels of organization - Answer - ✔✔Organism, Organ System, Organ, Tissue, Cels,
Organelles, Molecules, Atoms
Homeostasis - Answer - ✔✔maintaining relatively stable internal conditions
Negative feedback - Answer - ✔✔Body senses a change and activates mechanisms to
reverse it to regain equilibrium. It prevents sudden, severe changes in the body. It helps
limit chaos in the body by creating stability. Some examples include body temp, blood
pressure, & glucose regulation.
Why is the regulation of body temperature important? - Answer - ✔✔Temperature
affects how slowly or quickly chemical reactions take place in the body. Temp is a
positive feedback loop. When temp increases, metabolic rate increases, producing heat
faster. This loop continues, reinforcing itself.
Describe anatomical position - Answer - ✔✔Standing erect, facing forward, upper limbs
at the sides, palms facing forward & thumbs out
Name and describe characteristics of living things - Answer - ✔✔Respiration, Excretion,
Growth, Assimilation, Responsiveness, Digestion, Circulation, Reproduction,
Absorption, Movement
Negative Feedback - Answer - ✔✔Body senses a change and activates mechanisms to
reverse it; ie, body temperature changes and body attempts to correct it (sweating or
heat absorption)
, Positive Feedback - Answer - ✔✔Leads to greater change in the same direction, like a
snowball rolling downhill; ie, childbirth/contractions
What is usually the result of a failure in homeostasis? - Answer - ✔✔Disruption leads to
disorder & disease
Metabolism - Answer - ✔✔Sum of all anabolic and catabolic processes taking place in
the body
Anabolism - Answer - ✔✔Process of combining smaller molecules into larger, complex
substances
Catabolism - Answer - ✔✔Process of breaking down larger substances into smaller,
simpler molecules
Name and describe the environmental requirements of an organism. ***** - Answer -
✔✔Water, Food, Oxygen, Heat, Pressure
How is oxygen used by living things? - Answer - ✔✔⅕ of air is oxygen; used to release
energy from nutrients; used to produce ATP
Axial - Answer - ✔✔Head, neck, trunk
Appendicular - Answer - ✔✔upper and lower limbs (appendages)
Cranial Cavity - Answer - ✔✔skull, contains brain
Vertebral Cavity - Answer - ✔✔back, contains spinal cord
Thoracic Cavity - Answer - ✔✔chest, contains heart & lungs
Abdominal Cavity - Answer - ✔✔abdomen, contains most digestive organs, kidneys, &
ureters
Pelvic Cavity - Answer - ✔✔pelvis, contains rectum, bladder, urethra, & reproductive
organs
Sagittal - Answer - ✔✔divides the body into left and right halves. Think "sagittarius"
holding an arrow straight ahead (Midsagittal is cut in the middle)
Frontal - Answer - ✔✔divides the body into front and back
Transverse - Answer - ✔✔divides the body top and bottom (trans-across)
Visceral membrane - Answer - ✔✔Closest to the organ
Parietal membrane - Answer - ✔✔Closest to the cavity
Pleural - Answer - ✔✔Lungs
Pericardial - Answer - ✔✔Heart
Peritoneal - Answer - ✔✔Abdominopelvic
Anatomy - Answer - ✔✔Study of structure. Where is it located? What is it made up of?
Physiology - Answer - ✔✔Study of function. What does it do? How does it do it?
Levels of organization - Answer - ✔✔Organism, Organ System, Organ, Tissue, Cels,
Organelles, Molecules, Atoms
Homeostasis - Answer - ✔✔maintaining relatively stable internal conditions
Negative feedback - Answer - ✔✔Body senses a change and activates mechanisms to
reverse it to regain equilibrium. It prevents sudden, severe changes in the body. It helps
limit chaos in the body by creating stability. Some examples include body temp, blood
pressure, & glucose regulation.
Why is the regulation of body temperature important? - Answer - ✔✔Temperature
affects how slowly or quickly chemical reactions take place in the body. Temp is a
positive feedback loop. When temp increases, metabolic rate increases, producing heat
faster. This loop continues, reinforcing itself.
Describe anatomical position - Answer - ✔✔Standing erect, facing forward, upper limbs
at the sides, palms facing forward & thumbs out
Name and describe characteristics of living things - Answer - ✔✔Respiration, Excretion,
Growth, Assimilation, Responsiveness, Digestion, Circulation, Reproduction,
Absorption, Movement
Negative Feedback - Answer - ✔✔Body senses a change and activates mechanisms to
reverse it; ie, body temperature changes and body attempts to correct it (sweating or
heat absorption)
, Positive Feedback - Answer - ✔✔Leads to greater change in the same direction, like a
snowball rolling downhill; ie, childbirth/contractions
What is usually the result of a failure in homeostasis? - Answer - ✔✔Disruption leads to
disorder & disease
Metabolism - Answer - ✔✔Sum of all anabolic and catabolic processes taking place in
the body
Anabolism - Answer - ✔✔Process of combining smaller molecules into larger, complex
substances
Catabolism - Answer - ✔✔Process of breaking down larger substances into smaller,
simpler molecules
Name and describe the environmental requirements of an organism. ***** - Answer -
✔✔Water, Food, Oxygen, Heat, Pressure
How is oxygen used by living things? - Answer - ✔✔⅕ of air is oxygen; used to release
energy from nutrients; used to produce ATP
Axial - Answer - ✔✔Head, neck, trunk
Appendicular - Answer - ✔✔upper and lower limbs (appendages)
Cranial Cavity - Answer - ✔✔skull, contains brain
Vertebral Cavity - Answer - ✔✔back, contains spinal cord
Thoracic Cavity - Answer - ✔✔chest, contains heart & lungs
Abdominal Cavity - Answer - ✔✔abdomen, contains most digestive organs, kidneys, &
ureters
Pelvic Cavity - Answer - ✔✔pelvis, contains rectum, bladder, urethra, & reproductive
organs
Sagittal - Answer - ✔✔divides the body into left and right halves. Think "sagittarius"
holding an arrow straight ahead (Midsagittal is cut in the middle)
Frontal - Answer - ✔✔divides the body into front and back
Transverse - Answer - ✔✔divides the body top and bottom (trans-across)
