What causes physical and emotional changes during adolescence?
A. faster rate of learning expected in high school
B. peer pressure and social norms
C. high levels of hormones within the body

During a formal discussion in his science class, kai will be speaking about the important of exercise. what is the best advice he can follow to be a prepared speaker

Which of the following leukocyte is not correctly matched with its function? -basophils: inflammation -lymphocytes: immune response against viral infections -monocytes: develop into macrophage -neutrophils: produce antibodies

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?