Select the correct statement about cardiac output. (a) decreased venous return will result in increased end diastolic volume.(b) stroke volume increases if end diastolic volume decreases. (c) if a semilunar valve were partially obstructed, the end systolic volume in the affected ventricle would be decreased. (d) a slow heart rate increases end diastolic volume, stroke volume, and force of contraction.

In 1996 california legalized the medical use of marijuana, even though it was still illegal under federal law. californians angel raich and diane monson used medical marijuana that they grew on their own property. when federal agents destroyed their plants, monson and raich sued, claiming, among other things, that the commerce clause did not permit the federal government to regulate activities that took place in their back yards and homes. the federal government argued that since consuming locally-grown marijuana for medical purposes affects the interstate market for marijuana, the federal government may regulate—and prohibit—such consumption. whose argument should prevail?

Diagram the passage of food through the digestive system. label the organs involved in digestion and absorption and identify the sites where carbohydrates, proteins, and fats are digested.

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