Question

part iv - cer (claim, evidence, reasoning) 8) claim: multiple body systems work together to restore both ph balance and fight infections. h) write a claim about why teamwork among systems is necessary for ph balance and infection control. i) provide two pieces of evidence from the story or your biology knowledge. j) give reasoning that explains how these interactions protect the reproductive system from both low ph and infection.

Explanation:

h) Different body systems have specialized functions. For pH - balance and infection control, the respiratory system can adjust blood pH by regulating carbon dioxide levels, and the immune system fights infections. Their combined action is more effective than their individual actions.
i) Evidence 1: The kidneys regulate the concentration of hydrogen ions and bicarbonate ions in the blood to maintain pH balance while the immune cells like macrophages can engulf and destroy pathogens. Evidence 2: The mucous membranes in the reproductive tract (part of the integumentary - like barrier system) can secrete substances to maintain a certain pH and also have immune - cells like lymphocytes present to fight infections.
j) The kidneys work to keep the body's internal environment at an appropriate pH. A proper pH is essential for the normal functioning of cells in the reproductive system. The immune system's white blood cells can detect and eliminate pathogens that could cause infections in the reproductive system. Together, they create a stable internal environment with the right pH and protection against harmful invaders.

Answer:

h) Multiple body systems must work together because each system has a unique role in maintaining pH balance and fighting infections, and their combined efforts create a more robust defense and regulatory mechanism for the body, especially for the reproductive system.
i) Evidence 1: Kidneys regulate blood pH and immune cells destroy pathogens. Evidence 2: Mucous membranes in reproductive tract maintain pH and have immune - cells.
j) The kidneys maintain pH for cell - function in the reproductive system, and the immune system defends against infections, thus protecting the reproductive system from low pH and infection.