They have hormone specific receptors which bind the hormone and initiate a cellular response.
Protein and peptide hormones, catecholamines like epinephrine, and eicosanoids such as prostaglandins find their receptors decorating the plasma membrane of target cells.
The galaxies closer to earth would be older than earth, galaxies close to earth would be about the same age as the Milky Way which is much older than the earth. The earth did not form at the same time as the Milky Way was formed
Answer:
For every 100ml of deoxygenated blood delivers approximately __4___ml of CO2 to the alveoli.
37. C
38. A
39. E
40. C.
41. D