The endocrine system releases chemicals that enter the bloodstream for distribution throughout the body. releases hormones that alter the metabolic activities of many different tissues and organs simultaneously. produces effects that can last for hours, days, and even longer. functions to control ongoing metabolic processes. all of the above

Which are observations about the tree on the right ,? check all that apply

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Why is taking care of yourself a time management techique