circulatory sustem Flashcards
1
Q
what do red blood cells look like
A
small biconcaved, disc shaped cells with no nuclei
2
Q
where are red blood cells made
A
in red bone marrow of the skull,ribs, vertebrae and end of long bones
3
Q
when does rbc and hemoglobin production stop
A
when oxygen concentration of the arterial blood is high
4
Q
where does hemoglobin carry oxygen
A
in cool neutral conditions
5
Q
where does hemoglobin give up oxygen
A
in the tissues in warm acid environments
6
Q
what part is Hb + o2 >Hbo2
A
in the lungs
7
Q
what hemoglobin reaction happens in tissue
A
Hbo2> o2 + Hb
8
Q
what has a heme complex
A
hemoglobin in oxygen
9
Q
how mayby polypeptide chains does hemoglobin has
A
4 and each chain has a heme complex
10
Q
what does Hb prefer
A
carbon monoxide
11
Q
how many hemoglobin molecules does rbc have
A
200 million
