Question

the body’s organ systems work together to maintain homeostasis
directions: read and annotate: circle the role of the digestive system. star the role of the circulatory system
organ systems will work together to maintain the environment necessary for the functioning of the body’s cells. a constant internal environment allows an organism to be somewhat independent of its external environment, so that it can move about, even as its environment changes. the simplified example below illustrates how organ systems interact with each other to maintain a constant internal environment.
unabsorbed digestive matter is expelled from the digestive system as feces (poop)
once food has been digested (broken down) in the digestive system, it is absorbed (taken up) into the blood of the circulatory system
the digestive system (gut and associated digestive glands) is responsible for the breakdown and absorption of food. ultimately, it provides the energy and nutrients required by all the body’s system.
the urinary system ( the kidney’s and associated ducts) has several roles including disposing of nitrogen- containing and other waste products from the body, regulating ion balance, and controlling the volume and pressure of the
once nutrients have been absorbed, they are carried in the blood and delivered to cells all around the body (solid arrows). wastes (dashed arrow) move from the cells back into the blood and are transported and removed from the lungs
the circulatory system ( the heart, blood vessels and blood) distributes respiratory gases, nutrients, and other substances, example: hormones, to the cells and tissues of the body.
the gas exchange system, i.e. the lungs and airways, bring in a supply of oxygen for the body’s cells and tissues and remove waste carbon dioxide through breathing.

1. why is it important that body systems are kept in balance?

1. using an example, briefly explain why homeostasis often involves more than one body system:

Explanation:

Question 1

Body systems in balance (homeostasis) ensure cells have a stable internal environment. This stability allows the organism to function properly, move, and adapt to external changes. Without balance, cell function would be disrupted, leading to health issues or inability to survive.

For example, nutrient delivery for energy. The digestive system breaks down and absorbs food. Then the circulatory system transports these nutrients to cells. Without the digestive system providing nutrients or the circulatory system distributing them, cells couldn’t get energy, so homeostasis (energy balance) requires both. Another example: gas exchange. The gas exchange system (lungs) takes in O₂ and expels CO₂, and the circulatory system carries O₂ to cells and CO₂ away. Both systems are needed for oxygen and carbon dioxide balance.

Answer:

It is important that body systems are kept in balance (maintain homeostasis) because a constant internal environment allows the body’s cells to function properly, enables the organism to be somewhat independent of its external environment (so it can move and adapt as the environment changes), and prevents disruptions that could lead to illness or failure of vital processes.

Question 2