The junction specialized for the transmission between a neuron and another cell is called a (1) _____ ______. Usually, the signal being sent to the receiving cell is carried by chemical messengers called (2) _____. (3) _____ is an example of this type of chemical messenger, which diffuses across the synaptic cleft, combines with
Nerve cells that conduct messages are called (1) ____. (2) _____ cells, which support and nurture the activities of neurons, make up less than half the volume of the nervous system. (3) _______ neurons respond to specific kinds of environmental stimuli, (4) ______ connect different neurons in the spinal cord and brain, and (5)
An immature egg (oocyte) is released from one (1) ____ of a pair. From each ovary, and (2) _____ forms a channel for transport of the immature egg to the (3) ______, a hollow, pear-shaped organ where the embryo grows and develops. The lower narrowed part of the uterus is the (4) _______. The uterus has a thick layer of smooth m
51. The structure of a lymphatic vessel is most similar to that of a(n) A. artery. B. arteriole. C. vein D. capillary. 52. The spleen A. is the largest lymphatic organ B. it filters the blood. C. it serves as a blood reservoir. D. all of the above 53. The spleen is much like a lymph node except that the
28. The outside layer of the heart a. fibrous pleura b. pericardium c. parietal pleura d. peritoneum 29. The superior vena cava enters the __________ of the heart. a. right ventricle b. right atrium c. left atrium d. left ventricle 30. The pulmonary semilunar valve prevents back flow of blood into the __
1. The alimentary tube is around _____ meters long. A. 2 B. 4 C. 6 D. 9 2. The processes of chewing are referred to as ______ A. churning B. mastication C. peristalsis D. deglutition 3. How many teeth does an average adult have? A. 20 B. 32 C. 30 D. 52 4. The term wisdom tooth refers to the _____ toot
1. Attaches a muscle to a bone. A. Maximus 2. Attaches bones to bones. B. Minimus 3. The attachment of a muscle to C. Antagonist a stationary bone. D. Pronator 4. The attachment of a muscle to E. Supinator a bone that moves. F. Insertion 5. The shortening of a muscle. G. Origin 6. A muscle that cause the main
_______ 16. Shoulder girdle A. Humerus _______ 17. Hip girdle B. Carpals _______ 18. Collar bone C. Femur _______ 19. Shoulder blade D. Fibula _______ 20. Upper arm E. Pelvis _______ 21. Forearm (Medial) F. Pectoral _______ 22. Wrist G. Tarsals
1.The radius is on the (medial, lateral) side of the forearm. 2. The nose is (inferior, superior) to the mouth. 3. The heart is (dorsal, ventral) to the sternum. 4. The carpals are (distal, proximal) to the phalanges. 5. The sternum is (anterior, posterior) to the vertebral column. Directions: Match the following
This structure supports the weight of the vetebral column and helps protect organs. a. sternum b. pectoral girdle c. pelvic girdle d. acetabulum What converts to red marrow and produces new red blood cells when blood loss from the body is severe. a. yellow marrow b. spongy bone c. compact bone d. red marrow Wha
The epidermis is thickest on the : a. mouth b. tongue c. scalp d. soles e. elbow Which of the following is not a function of the Integumentary System ? a. movement b. protection c. temperature regulation d. synthesis of vitamin D e. eliminate waste These skin glands are located only i
Please could you answer these questions as true or false (also attached): 1. An increase in tissue oncotic pressure contributes to edema. 2. Heart failure is an example of a disease state that causes generalized edema. 3. Hypertonic fluid alterations occur when the osmolality of extracellular fluid is below norma
I got 0 out of 15 points for my answer on this problem. I'm thinking I should have received some partial credit. I'm posting the original question, my answer, and the "official" answer. I understand that the given answer is a better method, but won't my proposed method work? I'm looking for some expert, detailed, technical adv
Regardless of bloodtype what is the problem if the Mother is Rh- with an Rh+ baby? 1st baby, and subsequent babies if not addressed? What happens and how? Also, this is a very strange question to ask you, I know, and if you can provide me with any info, advice, just let me know and I'll post it as a new problem and let me k
Indentify other organs and tissues in the given table and comment on the change in blood flow through them when an athlete starts from rest to engage in moderate aerobic exercise then intense anaerobic exercise. I am looking for help and advice in completing this question I have to write about 100 words
I need to write an essay on the above using the the following figures and desperatrely need help to do it. I need about 400 words blood flow measurements (ml min-1) through different organs. rest moderate aerobic intense anaerobic exercise
How does the intergrated action of the cardiovascular, respiratory and other body systems explain why heart rate is different for an athlete when he is at rest and just prior to doing say 100 metre sprint . I need about 250 words
Tetraalkylammonium compounds block non-specific cation channels by sticking into the pore. What would the effect of these toxins be on vertebrate vision? Why? Thank you.
Regarding the endocrine system. What is used to transmit info-to deliver message after binding to receptor?
I explain in clear layman's terms the effects of the following on intracellular and extracellular fluids: 1. eating a salty meal 2. hemorrhage 3. intravenous isotonic saline solution.
Explain briefly why pepsinogen and trypsinogen are released in the digestive system as zymogens. Please be specific.
Explain where in or on the VILLI the following are absorbed: Glucose, fructose, amino acids, and chylomicrons. I need to know the exact locations in or on the villi where they are absorbed.
Explain in detail Why PCO2 and pH levels affect respiration more than PO2 levels.
Please discuss the following: Why are GABA receptors found in all neurons in the mammalian nervous system.
Why is it so important that the outer portion of the cerebral hemisphere (cortex) is convoluted?
What causes hydrocephalus and why is it more serious in adults than kids?
What part of the brain - where - would be affected if a combative and confused Alzheimer's patient was hospitalized with dehydration? Please explain where the brain may be affected to lead to dehydration.
Remember the nuclear accident at Chernobyl (former Soviet Union - now the territory of Ukraine) in 1986? A scientist suspects that the food in a nearby ecosystem may have been contaminated with radioactive nitrogen over a period of months. Which substances in plants and animals could be examined for radioactivity to test
Using the negative feedback system, explain how osmoreceptors and CO2 receptors maintain water balance and respiratory rates. Include a diagram. How are micturation and defecation reflexes different? NOTE: Moved from Physiology to Biology to expose question to different Online TAs.
i need help diagraming the process of the following instructions. please help me. On a single page, diagram removal of an amino acid from protein by a peptidase in the intestinal lumen, followed by absorption of the amino acid. This process will include an epithelial cell actively transporting the an amino acid from the lumen