Surrounds inner layers - Study guides, Class notes & Summaries

The Pre-embryonic period - Consists of the first two weeks in the forms: - Zygote (1 cell; diploid) - Morula (72 hours) - Blastocyst (5 days) Morula - At 72 hours of gestation - solid ball of 16-32 cells (called blastomeres) - the size of an ovum/zygote due to in favor of rapid cleavage division (for optimal surface area and waste removal) over growth. Blastocyst - 5 Days Gestation Features: - fluid filled cavity (blastocoel or blastocyst cavity) - inner cell mass (becomes the embryo)...

Biology 1108 Exam 3 Questions and Answers (Latest Update) 120 Questions | Graded A+. Alpine - Correct Answers Similar to Tundra, Lacks permafrost, Budding - Correct Answers Form of asexual reproduction in which a bud/protrusion forms on an organism and eventually breaks off to form a new organism that is smaller than its parent. Fragmentation - Correct Answers A type of asexual reproduction in which one organism is broken into pieces, each of which develops into a new individual Partheno...

Biology 1108 Exam 3 Questions and Answers (Latest Update) 120 Questions | Graded A+. Alpine - Correct Answers Similar to Tundra, Lacks permafrost, Budding - Correct Answers Form of asexual reproduction in which a bud/protrusion forms on an organism and eventually breaks off to form a new organism that is smaller than its parent. Fragmentation - Correct Answers A type of asexual reproduction in which one organism is broken into pieces, each of which develops into a new individual Partheno...

EAPS 100 Purdue - Exam 1, Questions and answers, rated A+ What are the 4 parts of Earth's system? - -Atmosphere, hydrosphere, geosphere, biosphere Atmosphere - -Envelope of gas that surrounds the Earth, elevation of 10,000 km, gets thinner the farther away from Earth Hydrosphere - -Majority in oceans, fresh water in glaciers and groundwater Topography - -land Bathymetry - -ocean Internal Energy - -heat (thermal energy) -rocks melt, volcanoes -Earth's interior soft enough to flow E...

The use of a non-invasive and painless ultrasound to examine the heart, its chambers and valves is known as? -:- Echocardiography Wave forms displayed on a screen is called? -:- Electrocardiogram The breast bone is referred to as? -:- The sternum The pericardio sac that surrounds the heart wall is? -:- A tough fibrous outer layer called the visceral pericardium and inner thin transparent lining called the fibrous pericardium. What are the three layers of the heart wall? -:- Epi...

Major components of the nervous system Central nervous system (CNS) = brain and spinal cord Peripheral nervous system (PNS) ∙spinal nerves (31 pairs) arise from spinal cord → sensory/motor ∙cranial nerves (12 pairs, all but first arise from brain) are largely concerned with motor and sensation of the head Visceral nervous system/autonomic nervous system = motor innervations of cardiac muscle, smooth muscle, glands, sensory innervations of viscera Terms of direction the axis of d...

EXPH 386 Exam 3 Questions And Answers (Updated And Verified) Coordination and integration of the muscles of the body together with the nerves that supply them - answerNeuromuscular system Cell body (soma) action - answerdictates the critical firing rate of the action potential Cell body (soma) contains what - answerstructures involved in replication and transmission of the genetic code Are larger cell bodies (somas) associated with higher or lower critical firing rates? - answerhigher s...

PNB 2264 Exam 1 (UConn) Latest Update Graded A+ homeostasis dynamic steady state; small fluctuations around the set point negative feedback response returns regulated variable toward set point (response removes stimulus), closed loop used for homestasis positive feedback response to the effector reinforces the stimulus; promotes useful change Properties of water polar-covalent bond creates sticky molecules, solvent to ionize compounds (electrolytes), high specific heat, lubrication & cushioni...

What are the two ovarian hormones? - Answer-- Estrogen (first half of cycle) - Progesterone (second half of cycle) What are the two pituitary hormones? - Answer-- Follicle Stimulating: stimulates growth of follicles, one egg is released. - Luteinizing: triggers ovulation and development of corpus luteum. Also produces progesterone. What is HPL? - Answer-- Human Placental Lactogen (the placental hormone): maternal metabolism supplies nutrients to the fetus & responsible for glucose transpor...

EXPH 386 Exam 3 Questions And Answers (Updated And Verified) Coordination and integration of the muscles of the body together with the nerves that supply them - answerNeuromuscular system Cell body (soma) action - answerdictates the critical firing rate of the action potential Cell body (soma) contains what - answerstructures involved in replication and transmission of the genetic code Are larger cell bodies (somas) associated with higher or lower critical firing rates? - answerhigher s...