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2 / 37  What are the units for measuring air pressure?
A  mm Hg
B  mm O2
C  Percent Hg
D  Percent O2

Questions & Answers

What is the meaning of the word cell?
hafsa Reply
unit
Samiullah
what happened when the hand accidentally touches a hot abject
Tumbu Reply
quickly removes its hand
hafsa
what is cell
Ernest Reply
cell can be defined as the smallest unit of life
alhassan
what is a hormone
Michael Reply
hormones are the body's chemical messengers and are part of the endocrine system,.
Nisa
why are the pictures showing
Anasili Reply
I don't get your question well
Prophet
The Cowper's gland, prostate gland and the seminar vesicle are involved in the secretion of seminal fluid which consist of enzyme,protein in form of amino acid and a very important hormone called what?
ANGEL Reply
testosterone
Prophet
what is reflex action
vanya
what is the specialize functions of the organs
Donieta Reply
what organs?
Maureen
what is the faction of photo receptors in the eye
Mutangana Reply
transduction of light to nervous impulses occurr it is located in the retina
Maureen
wat are e constituents of blood
marybertiny Reply
Can a cell be destroyed by the bacteria
Makhanya Reply
anamia. because of loss of blood
fon Reply
Name the element which is liquid
Sandeep Reply
hg
RC
CO2
Maureen
Bromine
Aaron
what is the dept of respiration plz?
Maureen
Maureen where are you from
Omokaro
mercury
VANESSA
bromine
VANESSA
which of the muscle can work with out getting tired?
nikkita
heart
Anam
Hg
Samiullah
what is the unit of muscles?
Samiullah
acid are organic or inorganic
Samiullah
why is the baby formed in the uterus n not else where?
Ekali Reply
you may help me ,to know why
mar
lo i am inn
mar
the womb is to protect the baby because inside the womb the lay in a fluid called the amniotic fluid which keeps the baby warm and it also have the placenta which the baby feeds from
Maureen
atom, molecules, organelle, cell, tissue, organ, organ system
Cheila Reply
sub atom atom molecular molecules and cells.
Advertus
cells structural level.
Advertus
what is microorganisms I am a laboratory student.
Advertus
a small organism
Rahbliss
small organism that can only be seen under a microscope
Maureen
i am just interested to be part of ,to learn
mar
explain why is it that old peoples as from the age of 60 usually have eye problems?
Kenn Reply
most old people suffere eye problems.because of short sight where individuals with this kind of problems see only near objects clearly but not distance objects, this is cause by elongated eyeball so light from distance is focus infront the retina so the image on the retina is blurred .
Munyah

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Source:  OpenStax, Human biology. OpenStax CNX. Dec 01, 2015 Download for free at http://legacy.cnx.org/content/col11903/1.3
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