Answer:
Blood with low oxygen content can be found in the pulmonary arteries whereas blood in high oxygen levels can be found in the pulmonary veins.
The blood enter the heart from the left side through the pulmonary veins which consist of high oxygen content. After circulating throughout the body, the blood carried from the right side of heart to the lungs through pulmonary arteries with low oxygen content, due to the circulation.
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:
Someone that is trustworthy.
The core muscles stabilize and protect the spine. They help control all movements and make it possible for us humans to walk and stand up right. The core helps us transfer energy, shift our body weight and reach/move in different directions. It is important to have a strong set of core muscles because it makes everyday activities easier.
