Biology 252 - Study guides, Class notes & Summaries

What is homeostasis? - ANSWER how varied components of living things adjust to maintain a constant internal living environment. There is a balanced dynamic state! Diseases result from homeostatic imbalances (diabetes) What are the levels of organization? - ANSWER chemical - cellular - tissue - organ - organ system - organismal What is the nervous system made of? - ANSWER The Central nervous system (brain and spinal cord) and the peripheral nervous system (cranial nerves and spinal nerves)....

Biology 252 Exam 2 Questions and Answers

Section Exam #5 Ecology, 252 Exam 4, Exam 1 252, Biology 252 - Midterm #3, BIOL 252 - Exam 2 Exam Verified Answers 2024

What is homeostasis? - Answer-how varied components of living things adjust to maintain a constant internal living environment. There is a balanced dynamic state! Diseases result from homeostatic imbalances (diabetes) What are the levels of organization? - Answer-chemical - cellular - tissue - organ - organ system - organismal What is the nervous system made of? - Answer-The Central nervous system (brain and spinal cord) and the peripheral nervous system (cranial nerves and spinal nerves)....

Biology 252 Exam 1 Questions and Answers Already Passed ______ and _______ induce the formation of the BBB. Astrocytes and Pericytes ______ gated channels generate local, graded potentials. Chemically gated channels generate local potentials. ________ channels are found mainly on the axon and axon hillock (trigger zone). Voltage gated channels 1st type of information provided by sensation receptors: modality Type of stimulus or the sensation it produces -temp vs touch -vibration vs sou...

Biology 252 Exam 1

Describe the cells of the bone tissue - Answer--Osteogenic cells -Osteoblasts -Osteocytes -Osteoclasts What membrane lines the internal canals and the small cavities of the compact and spongy bones? - Answer-Endosteum What is the periosteum composed of? - Answer--Dense irregular connective tissue -Collagen fibers -Outer fibrous layer has fibroblasts -Inner layer has progenitor cells that become osteoblasts Describe the matrix of the bone tissue - Answer--Stony matter surrounding osteoc...

The sacral plexus is located in? A. CNS B. PNS C. In both the CNS and PNS D. In neither the CNS or PNS -Answer- B. PNS Neuron cell bodies are located in? A. CNS B. PNS C. In both the CNS and PNS D. In neither the CNS or PNS -Answer- C. In both the CNS and PNS The dorsal ramus is located in? A. CNS B. PNS C. In both the CNS and PNS D. In neither the CNS or PNS -Answer- B. PNS A neuron with its cell body in the dorsal root ganglion is: A. in the nucleus B. a multipolar neuro...

Biology 252 Exam 1 Questions And Answers 100% Verified. What is homeostasis? - correct answer. how varied components of living things adjust to maintain a constant internal living environment. There is a balanced dynamic state! Diseases result from homeostatic imbalances (diabetes) What are the levels of organization? - correct answer. chemical - cellular - tissue - organ - organ system - organismal What is the nervous system made of? - correct answer. The Central nervo...

Describe the cells of the bone tissue - ANSWER -Osteogenic cells -Osteoblasts -Osteocytes -Osteoclasts What membrane lines the internal canals and the small cavities of the compact and spongy bones? - ANSWER Endosteum What is the periosteum composed of? - ANSWER -Dense irregular connective tissue -Collagen fibers -Outer fibrous layer has fibroblasts -Inner layer has progenitor cells that become osteoblasts Describe the matrix of the bone tissue - ANSWER -Stony matter surrounding o...