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4 / 13  The muscles of a professional sprinter are most likely to have ________.
A  80 percent fast-twitch muscle fibers and 20 percent slow-twitch muscle fibers
B  20 percent fast-twitch muscle fibers and 80 percent slow-twitch muscle fibers
C  50 percent fast-twitch muscle fibers and 50 percent slow-twitch muscle fibers
D  40 percent fast-twitch muscle fibers and 60 percent slow-twitch muscle fibers

Questions & Answers

what is limb bone
Akshu Reply
this are bone attaching or joining to the axial bone.axial bone including skull,vertebrate and ribcage
Eliasi
Explain the stages of mitosis and cell division
Bella Reply
systems of human body
Udezue Reply
define lymphatic system And give the composition of lymphatic fluid
sakshi Reply
the network of vessels through which lymphatic drains From the tissue into blood.lymph contain variety of substance like salts, glucose, proteins and fatsand water, white blood cells
Bhanu
yeah
Hassan
what is lymphatic system
Adie Reply
the network of vessels through which lymph drains from tissue into the blood
Bhanu
to describe the boundaries of four cavity
Pius Reply
homeostatic variables such as body temperature fluctuates within a normal range around the set point, or ideal, for a given homeostatic condition. for example, 98.6°F is a set point for body temperature. The response of the effector determines whether or not the homeostatic variable remains in the n
Chidinma Reply
why rbc is biconcave?
Sudhakar Reply
to carry oxygen easily
anwaar
What part of the brain controls the body temp
Ridwan
hypothalamus
JAYESH
what are epithelial tissues
Sachibu Reply
epithelial tissue that cover overall parts of the body and it's free from blood and nerves
Bhanu
Epithelial tissues are composed of cells laid out in sheets with strong cell-to-cell attachments.
Duah
Epithelial tissues perform a variety of functions that include; protection, secretion, filtration, diffusion, absorption, etc.
Duah
what control the flow of the blood ?
Donkor Reply
the pumping action of the heart
Holly
what is bony promises on the human body
Kelly Reply
what is the bony promises on human body
Kelly
what are bony prominences on human body
Kelly
support of the body
Bhanu
what are the characteristics of blood
yeboah Reply
they are red in colour
Tawoi
why blood is red in color?
Sudhakar
blood is red because it contains hemoglobin
Abena
Me phone no petandi meku doubt vunte nenu phone chesi cheputhanu
Mohan Reply
What is respiratory disease
Rita Reply
emphysema
Sudhakar
asthma
Abena
what is joint
Hajara
humanbody which to bones joint together
Bhanu
disease that affects the respiratory system such as the lungs, bronchioles, and the rest.
Patrick
the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles. the lung tissue and the diaphragm
Patrick
a des of respertory system such as asthma, bronchititis, emphysema
mery
Hello Anatomy and Phys. Class, I was absent last week and cannot find my syllabus. Can anyone tell me what lab (pages out of the manual) and chapter quiz we have tomoroow? I cannot log into canvas right now or I wouldn't be bothering you guys. Thanks!
Jeanne
Can anyone tell me what lab we are doing later today Anatomy and Phys. 40A? I was absent last week. Thanks so much!
Jeanne
What are the importance of homeostasis in human body?
Pablo Reply
homeostasis
Abena
it help to keep our salt and water balance
Husna
Homeostasis regulates and mentain internal equilibrium (ie temperature and pH) of the body.
Edmund
maintain temp and ph so our enzyme works properly
Husna
The inability of the body regulating and maintaining the temp. and pH results in disease affection.
Edmund

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Source:  OpenStax, Anatomy & Physiology. OpenStax CNX. Feb 04, 2016 Download for free at http://legacy.cnx.org/content/col11496/1.8
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