Exploring Body Systems and Macromolecules

How do the nervous and endocrine systems interact to regulate body functions?

• The nervous system directly releases hormones into the bloodstream.

• The endocrine system sends electrical signals to the brain.

• The nervous system triggers the release of hormones from endocrine glands.

• The endocrine system controls muscle movements through nerve impulses.

Tags

NGSS.HS-LS1-3

Explain how the digestive system and nutrients are interrelated in maintaining homeostasis.

• The digestive system breaks down food into nutrients, which are then used to maintain energy balance.

• Nutrients are absorbed directly into the bloodstream without any processing.

• The digestive system stores excess nutrients for future use.

• Nutrients are only used for building muscle tissue.

Tags

NGSS.MS-LS1-7

Analyze the role of the respiratory and circulatory systems in oxygen transport.

• The respiratory system transports oxygen directly to the cells.

• The circulatory system is responsible for oxygen exchange in the lungs.

• The respiratory system provides oxygen to the blood, which is then circulated by the circulatory system.

• The circulatory system stores oxygen for later use.

How does the immune response utilize macromolecules to protect the body from pathogens?

• Macromolecules are used to directly attack pathogens.

• Antibodies, a type of macromolecule, bind to antigens to neutralize pathogens.

• Macromolecules are only involved in the initial detection of pathogens.

• The immune response does not involve macromolecules.

Evaluate the feedback mechanism between the nervous and endocrine systems in stress response.

• The nervous system suppresses the endocrine system during stress.

• The endocrine system independently manages stress without nervous system input.

• The nervous system activates the adrenal glands to release hormones that help manage stress.

• The endocrine system releases hormones that inhibit nervous system activity during stress.

Tags

NGSS.HS-LS1-3

Discuss how the digestive system adapts to different types of nutrients.

• The digestive system uses the same enzymes for all nutrients.

• Different enzymes are secreted to break down carbohydrates, proteins, and fats.

• Nutrients are absorbed without any chemical changes.

• The digestive system does not differentiate between nutrient types.

How do the respiratory and circulatory systems work together to remove carbon dioxide from the body?

• The circulatory system converts carbon dioxide into oxygen.

• The respiratory system filters carbon dioxide directly from the blood.

• Carbon dioxide is transported by the blood to the lungs, where it is exhaled.

• The circulatory system stores carbon dioxide until it can be used by cells.

Analyze the role of proteins as macromolecules in the immune response.

• Proteins are not involved in the immune response.

• Proteins serve as enzymes that digest pathogens.

• Proteins form antibodies that recognize and bind to specific antigens.

• Proteins are only structural components in cells.

Explain the interaction between the nervous and endocrine systems in regulating blood sugar levels.

• The nervous system directly controls insulin production.

• The endocrine system releases hormones that regulate blood sugar, influenced by nervous system signals.

• Blood sugar levels are regulated without any nervous system involvement.

• The nervous system stores excess sugar in the liver.

Tags

NGSS.HS-LS1-3

Evaluate how the digestive system processes macromolecules for energy production.

• Macromolecules are absorbed whole and used directly for energy.

• The digestive system breaks down macromolecules into smaller units for energy production.

• Energy is produced without the need for macromolecule breakdown.

• Macromolecules are only used for building body structures, not energy.

Tags

NGSS.MS-LS1-7