Which statement is true?
a. oxygen uptake decreases as the body requires more oxygen and faster removal of carbon dioxide.
b. the exchange of oxygen and carbon dioxide occurs in the bronchioles in the lungs.
c. oxygen diffuses into the bloodstream because there is a higher concentration of oxygen in the lungs than in the blood flowing into them.
d. the blood that flows into the lungs and past the alveoli is blood that has just circulated around the body and is rich in oxygen.

Magine you are working in a state mental hospital with individuals diagnosed with severe and profound intellectual disability. besides significant cognitive and adaptive skill limitations, many of these individuals may also have multiple physical and sensory impairments. those most impaired are likely totally dependent upon others for their care. what are some important issues to consider when working with people with a high degree of impairment? what kinds of things do you need to consider to be sure you are respecting the dignity of those for whom you care?

True or false a fertilized cell divides many times to form an embryo

What is known about the genetics of diabetic disorders? what goes wrong when juvenile diabetes sets in?