Biology - Study Mode

[#481] What is the pH value range of human blood?
Correct Answer

(D) 7.35-7.45

Explanation

Solution: Blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45. Usually the body maintains the pH of blood close to 7.40.

[#482] The main function of hemoglobin is
Correct Answer

(A) Carries Oxygen

Explanation

Solution: About 70 percent of your body's iron is found in the red blood cells of your blood called hemoglobin and in muscle cells called myoglobin. Hemoglobin is essential for transferring oxygen in your blood from the lungs to the tissues.

[#483] The colour of Hemoglobin is
Correct Answer

(A) Red

Explanation

Solution: The colour of Hemoglobin is red.

[#484] The elastic vessels which transport blood to the heart is known as
Correct Answer

(B) Veins

Explanation

Solution: The elastic vessels which transport blood to the heart is known as veins.

[#485] The elastic vessels which transport blood from the heart is known as
Correct Answer

(A) Arteries

Explanation

Solution: The elastic vessels which transport blood from the heart is known as arteries.