Which step is a part of internal respiration? Oxygen rich blood is taken up by the tissues.

Air is inhaled through the nostrils.

Air is exhaled through the nostrils.

Gaseous exchange of oxygen and carbon dioxide occurs at the alveoli.

Effective community programs the individual, the community, organizations, and the government. select the sentence that shows a benefit to organizations. ryan and farah were discussing voluntary work. ryan was very keen to work on health-related issues. he knew that many districts had effective community programs. farah recently read a report about a local community program that reduce the rate of heart diseases by 30 percent. this reduced healthcare costs. local companies also saw productivity increases.

Why is my pp small an how do i make it 12 inches

Tobacco is question 17 options: made from nicotine an agricultural crop a synthetic plant both a and b