شوف خيتي هذ1 الاسئله من القلب .. شئ بسيط من يونت ون ...
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1-suger is presentin
c-both-dna^ rna
2-heart contains ...... chamber
a- 4
3_upper chamber is called
a-atrlum
4_ lower chamber is called
ventrical_
5_ non oxygented blood is un the blood v. 3xcept pulmonary attry
veins_
6_ oxygented blood is un the blood v. 3xcept pulmonary veins
-arteries
7_ valveise betwen Rt_atrium_Rt_ ventricle
tricuspid valve
8_valveise betwen Lt_atrium_Lt_ ventricle
mitral
9_ contraction of cardiac musecl is colled
systole
10_relaxation of cardiac musecl is colled
diostole
11_ irregular or no haert beat colled
arythimia
12_ is the pace maker of the haert...........
SAN
1_ there are ....Tusse typas in on boady
4
tissue contaion actin -myosin_2
muscle
3_ life sfan of platelets is
11-9_day
4- cessation of bleeding is called
hamostasis
5-human body consists
trillion 75
6-outer most layer of the skin
epidermis
7-role of muscular system
movemant