Gemini and Business: Gemini tends to disperse their energy on different tasks and not just focus on one thing thus leaving a trail of unfinished projects in their wake. If they were to focus their energy in one place, their cleverness and intelligence would allow them to complete their project with success and creativity.
Answers.comÂ® WikiAnswersÂ® Categories Science Biology Human Anatomy and Physiology Circulatory System Blood Vessels Which action below is affected by an antihistamine a. blood vessel dilation b. phatocytosis of antigens c. MHC presentation by macrophages d. the secondary immune response e. colonal selection of ant?
Histamine affects several receptors found in different tissues. Sometimes blocking the receptor and sometimes adding to it. Smooth muscle around bronchi in the lungs and within the intestinal tract respond to histamine stimulation by contraction, although the magnitude of response varies considerably among species. These effects also depend on which receptor is being bound by histamine; for example, the H2 receptor mediates bronchodilation.