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You may send an email to admin cmecde. Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. Been Medical Video Lectures Dr. Tuesday, November 23, Sign in. Forgot your password? Which body system is most closely associated with the support and protection of the body organs? The effector is usually a type of sensor that monitors and responds to changes in the environment.
Information in homeostatic control mechanisms flows from the receptor to the control center via the efferent pathway.
The control center determines the set point at which a variable is to be maintained, analyzes the information it receives, and then determines the appropriate response or course of action. Information flows from the control center to the effector along the afferent pathway. Which body system is most closely associated with transport and delivery? Which body system is most closely associated with the production of offspring? Which body system is most closely associated with the slow long term control of bodily activities?
Which of the following best illustrates the increasing levels of complexity? Blood clotting is an example of a typical negative feedback mechanism. Positive feedback mechanisms tend to increase the original stimulus and to push the variable farther from its original value. In negative feedback mechanisms, the net effect of the responses to the stimulus is to shut off the original stimulus or reduce its intensity.
Positive feedback mechanisms control infrequent events that occur 'explosively. When the body is subject to physical trauma, such as in an automobile accident, which organs are the most vulnerable to injury homeostatic imbalance? Abdominal organs in the abdominal cavity. Pelvic organs in the abdominopelvic cavity.
Heart and lungs in the thoracic cavity. The brain in the cranial cavity. The spinal cord within the spinal cavity. The axillary region is in the: back of the knee. Metabolism is: a broad term that refers to all the chemical reactions that occur in the body. Which of the following is NOT an anterior body landmark? If you wish to make a drawing of a section through the human body that showed the heart and both of the lungs, your section could be in which of the following planes?
This places the structures in the correct sequence from simplest to most complex. The thoracic body cavity: is the superior cavity in the ventral cavity. Which of the following is NOT a necessary life function? Maintaining boundaries.
Which of these is found in the dorsal body cavity? The brain and spinal column are both found in the dorsal cavity. The digestive system, reproductive system, and endocrine system are examples of organs. Tissues consist of groups of similar cells that have a common function. Atoms are the building blocks of matter, and combine to form molecules. An organ is made up of two or more tissue types. Organ systems make up the living body or the organism.
Which of the following is NOT true of a sagittal plane? A sagittal section divides the body into anterior and posterior parts. A sagittal section is a cut made along the A coronal plane divides the body into lengthwise, or longitudinal, plane of the anterior and posterior parts. A midsagittal plane divides the body into equal right and left parts. A median plane is another name for a midsagittal plane. Both the sagittal and coronal planes represent a cut made along a lengthwise plane.
Which of the following is NOT true of the skeletal system? Bones are not necessary for efficient movement. The skeletal system consists of bones, cartilages, ligaments, and joints. The skeletal system has a protective function.
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