Answer:
integumentery system
Explanation:
your skin is actually the first protection against illness-causing pathogens.
Answer:
I think the answer is capacity to do work
Answer:
a. veins and arteries
b.diaphragm
c.kidney
d.lung
e.4
f.left auricle(atrium) , right auricle(atrium)
g.left ventricle, right ventricle
h.blood plasma
i.digestive
j.buccal cavity ,saliva
k.bile
l.excretory
m.kidneys
Explanation:
All you need is to locate an artery. theres one by your neck, on the the far sides of your wrists, between your thighs, or you could just feel your own heart.
A) 100% EEFF
b) 50% Ef, 50% ef
c) 100% ef
d) 25% Fe, 25% EF, 25% Ef, 25% ef
