Answer:
Breathing is essential for all living beings. It is basically a process where the external air is inhaled into the lungs. The lungs use up the oxygen from the air and send out carbon dioxide into the external environment. This is also called exhaling.
The exchange of air between the external and internal environment of a living being is known as breathing. The constant intake and utilization of oxygen by the body is what keeps the organs working, and the living being alive.
Answer: I would pick D ......... hope this is right
Explanation:
Answer:
They block sperm from reaching an egg.
Explanation:
Unlike the traditional birth control pill, the mini-pill has only the hormone, progestin. Taken daily, the mini-pill thickens cervical mucus and prevents the sperm from reaching the egg.
1895 , true , kicks,false,true
NHANES collects information on health status
NFCS collects information on household food consumption
CSII collects information on attitudes, knowledge, and beliefs on healthy eating
What we eat in America surveys both health status and food intake
