please answer of the questions
Answers
Answer:
Q3) 1) a) alveoli
b) in lungs
c) this structure is like balloon sack , which provide large area for exchange of gas
2) in the photo
3) blood pressure is a pressure at which blood is pumped around the body by the heart
systolic pressure is a maximum pressure at which the blood leaves the heart through main artery during contraction phase
diastolic pressure is the minimum pressure in the arteries during the relaxation phase of heart.
Q4) a) it size is small as aare fist
it have 4 chamber
it connist of valves , which prevent. backflow of blood
it have ventricle at the lower chamberand upper chamber is atrium
right atrium and right ventricle are separted from left atrium and left ventricle by a wall called septum
it is made up of cardic muscle , it is roughly triangular in shape
b ) 1) it carries oxygen from lungs
2) it carries away carbon dioxide from cell to lungs
3) it carries digested food from small intenstine to all parts of body
4) it carries hormones from endocrine glands to its target site
5) it carries Waste material from liver to kidney like urea
6) blood protect are body
7) it blood helps to clott the blood , when we get a cut
8)blood regulate are body temperature
hope it will help u
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