ENDOCRINE SYSTEM The endocrine system helps regulate and maintain various body functions by synthesizing (making) and releasing hormones‚ chemical messengers. The endocrine system is composed of glands that release their hormones directly into the bloodstream for chemical signaling of target cells. Endocrine glands do not have a duct system and are called ductless glands. These glands release hormones directly into the blood or lymph. These glands include the pituitary gland‚ the pineal gland
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Skeletal Muscle Physiology Activity 1 1. Skeletal muscle fiber- long‚ cylindrical cell with multiple oval nuclei arranged just beneath the sarcolemma Motor unit- all of the muscle cells controlled by a single motor neuron Skeletal muscle twitch- a single stimulus-contraction-relaxation cycle in a skeletal muscle Electrical stimulus- uses an electrical current to cause a single muscle or a group of muscles to contract Latent period- the time between the stimulation of a muscle and the start
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Human Physiology Lab Special Senses Cutaneous Senses and Vision September 24/26‚ 2012 Our bodies are capable of sensing a wide spectrum of stimuli. We are consciously aware of some of the information our bodies perceive‚ but much of the information that is sensed is beyond our consciousness. Receptors responsible for perception of stimuli are found in many places: skin‚ eyes‚ ears‚ mouth‚ blood vessels‚ lungs‚ brain—frankly‚ every cell in the body has sensory receptors. These receptors are
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Background Smooth muscle is one of three muscle fiber types found in animals. Unlike skeletal and cardiac muscle cells‚ smooth muscle cells are not striated‚ and have single nuclei. Smooth muscles are typically under control of the autonomic nervous system‚ and do not contract voluntarily. Smooth muscle contracts slowly‚ and does not exhibit the characteristic “twitch” seen in skeletal muscle. In addition‚ smooth muscle is not prone to muscle fatigue‚ making it an ideal component of sphincter muscles
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Notes on Final Exam: Practice Exams 1-4 are open for practice Final Exam consists of 100 questions Red scantron required Equal amount of questions from last 3 chapters covered. Wasn’t enough time to cover everything‚ so don’t JUST study this! DO NOT FORGET – Exam 4 due Monday at noon! Endocrine System Hormones: functions‚ where they’re secreted from‚ etc. Adrenal Glands: Cortex: Zona Glomerulosa mineralcorticoids - Aldosterone Zona Fasiculata glucocorticoids – Cortisol (synergist)
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anatomy and physiology lab 1. What are some differences between Judy and Mariah that might make Judy more "at risk" for skin? cancer than Mariah?Judy had a pasty white skin. Therefore‚ her skin had less melanin than Mariah who had black hair and more melanin and are more protected against the uv rays of sun. 2. What observations did Judy make concerning her mole? Her mole changed shaped and turned bigger and its side were jagged. The middle was purplish-black and its edge were darker than
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Lab Report: Exercise 5: Cardiovascular Physiology Type the answers to the following questions into the document. Save the file as YourLastName_Ex5LabReport.rtf and submit for grading via the associated assignment link. Activity 1: Heart Sounds 1. What is the cardiac cycle? The cardiac cycle is one complete heart beat. During the cycle each atrium and ventricle will contract and relax once. THe contraction of the chamber is called systole and the relaxation is called diastole. The average
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SYLLABUS BIO 135-Z1 & BIO 135-01 BASIC ANATOMY & PHYSIOLOGY FALL 2013 INSTRUCTOR: Brenda Bennett‚ MS‚ MT ASCP) OFFICE: AS 107 PHONE: OFFICE: (270) 831-9714 E-MAIL: brenda.bennett@kctcs.edu COURSE DESCRIPTION: Basic Anatomy and Physiology is designed to provide knowledge of the structure and function of the human body with an emphasis on normalcy. The course includes interaction of all body systems in maintaining homeostasis and promotes an understanding
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It is amazing how some systems in our body works together in situations to help us to have the ability to react and be alert of our surroundings such as being in danger or suffering from stress which is an important factor of many health problems. The two systems that I am referring to are the endocrine and nervous systems. they help to regulate our bodies back to our normal state to help to maintain healthy functioning. There are two systems that work with one another to signal the brain when something
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Lab 8.1: IP Addressing and Classes Exercise 8.1.1 Network ID: 110 Host ID: 10.10.1 Network ID in binary: 1101110 Host ID in binary: 101010101 Exercise 8.1.2 Class Range Network ID Host ID Possible Networks Possible Hosts per Network A 0-127 A b.c.d 2^7 2^24 B 128-191 a.b c.d 2^14 2^16 C 192-223 a.b.c D 2^21 2^8 If you used the number of bytes instead you would get a whole different amount of possible networks which isn’t right. Exercise 8.1.3 No I will not fit in this the 192-223 range. Exercise
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