Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Biology Human body
The shape of Red blood cells (RBCs) help in exchange of gases by providing large surface area. The shape of RBCs is :
1
Long and thin
2
Flat
3
Disc shaped
4
More than one of the above
5
None of the above