The color of blood is red due to __________?

A. Haemoglobin
B. Neutrophils
C. Esinophils
D. Hematocrit

Submitted by: Ahmar Baloch

Human blood is red because hemoglobin, which is carried in the blood and functions to transport oxygen, is iron-rich and red in color. Octopuses and horseshoe crabs have blue blood. This is because the protein transporting oxygen in their blood, hemocyanin, is actually blue.

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The _______ test is a color perception test for red-green color deficiencies.
A. Hemiplegia
B. Ishihara
C. Lalopathy
D. None of the above
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Red color of tomato is due to___________?
A. Anthocyanin
B. Xanthophyll’s
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pH value of Blood or Red Blood Cells ?
A. 5
B. 6
C. 7.35-7.45
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B. Orange, back and violet
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B. Black
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What pigment is responsible for the red color inside a watermelon?
A. Chlorophyll
B. Beta-carotene
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The lifespan of Red Blood Cells is __________ days?
A. 60
B. 120
C. 180
D. 240
The vitamin Folate works together with __________ to produce new red blood cells?
A. Vitamin D
B. Vitamin A
C. Vitamin B-12
D. None of the above
Submitted by: Anand Hanjhro
How does smoking cigarettes impact the red blood cells?
A. Decreases their ability to congeal
B. Decreases their ability to carry oxygen
C. Decreases their ability to reach their typical life duration
D. Decreases their ability to cleanse wounds
Submitted by: Mansoor Ul Haque
Dead red blood corpuscles are stored in____________?
A. Liver
B. Spleen
C. Kidney
D. Heart
Submitted by: Ashfaque Ali Khoso