What determines whether blood is bright red or a dull, dark red?
What will be an ideal response?
In bright red blood, oxygen is bound to hemoglobin (oxygenated blood). In dull, dark-red blood, oxygen has been released from the hemoglobin (deoxygenated blood).
You might also like to view...
Which cranial nerve releases a neurotransmitter that can decrease the pulse and force of contraction?
A) Vagus B) Trochlear C) Abducens D) Hypoglossal
This figure shows a palmar view of the hand. What muscle does number 1 indicate?
A. Abductor pollicis brevis B. Flexor digiti minimi brevis C. Opponens pollicis D. Adductor pollicis E. Lumbrical
Several hundred million sperm may reach maturity daily
Indicate whether the statement is true or false
Proteins are
A. polymers made of repeating units of carbohydrates. B. monomers made of repeating subunits of polymers. C. monomers. D. polymers made up of amino acid monomers. E. neither monomers nor polymers.