The most abundant element in human body is __________?

A. Hydrogen
B. Blood
C. Oxygen
D. Protein

Submitted by: Mansoor Ahmed Suhag

The most abundant element in the universe is __________.
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
The most abundant element in the Earth’s crust is __________?
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
Which is the most abundant element in the atmosphere?
A. Nitrogen
B. Hydrogen
C. Nickle
D. Oxygen
Submitted by: Arsalan hashmi
The most abundant element in sea water is?
A. Chlorine
B. Sodium
C. Sulfur
D. Magnesium
Submitted by: Naveed Tahir
Despite the fluctuation in human body temperature. The temperature of human body remains at _________?
A. 35 °C
B. 37 °C
C. 42 °C
D. 54 °C
Submitted by: Shahbaz Jiskani
Which element has the most % in human body?
A. Oxygen 65%
B. Calcium 75%
C. Hydrogen 10%
D. Carbon 18%
Submitted by: Syed Nizakat Ali Shah
Which element has the second most % in human body?
A. Oxygen 65%
B. Calcium 75%
C. Hydrogen 10%
D. Carbon 18%
Submitted by: Syed Nizakat Ali Shah
Which element has the third most % in human body?
A. Oxygen 65%
B. Calcium 75%
C. Hydrogen 10%
D. Carbon 18%
Submitted by: Syed Nizakat Ali Shah
The volume of Blood in a Human body to be approximately _________ of body weight?
A. 6%
B. 7%
C. 8%
D. 9%
Submitted by: Ramiz Khan
Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?
A. Brass
B. Pectora
C. Interstitium
D. Otic
Submitted by: Farjan Ahmed Soomro