Earth and Life Science Second Quarter – Week 5 (C) MELC-BASED The Functional Relationships of Organ Systems in Animal Survival
After going through this lesson, you are expected to: Analyze and appreciate the functional relationships of the different organ systems in ensuring animal survival Most Essential Learning competencies
At the end of 1 hour session, 80 percent of the Students are able to : Describe the functional relationships of the different organ systems in ensuring animal survival. Explain the function of each organ. Appreciate the functional relationships of the different organ systems in ensuring animal survival by answering a reflection questions. O BJECTIVES
SHORT REVIEW How Important? Write ate least three (3) importance of the given organ system in bullet form. It can be in a phrase or sentence, bullet form. CIRCULATORY SYSTEM RESPIRATORY SYSTEM
SHORT REVIEW How Important? Write ate least three (3) importance of the given organ system in bullet form. It can be in a phrase or sentence, bullet form. NERVOUS SYSTEM DIGESTIVE SYSTEM
The Functional Relationships of Organ Systems in Animal Survival Organ systems are vital for animal survival. These interconnected units work in concert to ensure that life's essential functions are carried out effectively .
The Essentiality of Organ Systems 1 Nutrient Acquisition The digestive system is responsible for breaking down food into usable nutrients. 2 Gas Exchange The respiratory system facilitates the exchange of oxygen and carbon dioxide between the body and the environment. 3 Waste Removal The excretory system filters waste products from the blood and eliminates them from the body. 4 Coordination and Control The nervous and endocrine systems regulate and coordinate all bodily functions.
The Circulatory System 1 Blood Circulation The heart pumps blood throughout the body, delivering oxygen and nutrients and removing waste products. 2 Oxygen Transport Red blood cells carry oxygen from the lungs to the tissues, where it is used for cellular respiration. 3 Waste Removal Blood carries carbon dioxide and other waste products from the tissues to the lungs, kidneys, and liver for elimination.
The Respiratory System Oxygen Intake The respiratory system takes in oxygen from the air. Carbon Dioxide Excretion The respiratory system expels carbon dioxide, a waste product of cellular respiration. Gas Exchange Oxygen and carbon dioxide are exchanged between the lungs and the bloodstream through tiny air sacs called alveoli.
The Digestive System Ingestion Food is taken into the mouth, where it is mechanically and chemically broken down. Digestion The stomach and small intestine further break down food into smaller molecules that can be absorbed into the bloodstream. Absorption Nutrients are absorbed into the bloodstream from the small intestine. Elimination Undigested waste is eliminated from the body as feces.
The Excretory System Waste Removal The excretory system filters waste products from the blood and eliminates them from the body. Fluid Balance The excretory system regulates the volume and composition of body fluids. Electrolyte Balance The excretory system maintains the balance of electrolytes in the body.
The Nervous System Function Description Sensory Input The nervous system receives information from the environment through sensory organs. Integration The nervous system processes and interprets sensory information and makes decisions. Motor Output The nervous system sends signals to muscles and glands to carry out appropriate responses.
The Endocrine System Hormone Production The endocrine system produces hormones, chemical messengers that regulate a wide range of bodily functions. Growth and Development Hormones play a critical role in growth, development, and reproduction. Metabolic Regulation The endocrine system helps regulate metabolism, including energy utilization and storage. Stress Response Hormones help the body cope with stress and maintain homeostasis.
Conclusion: Integrating Organ Systems for Animal Survival The interconnectedness of organ systems is fundamental to animal survival. Each system plays a crucial role, and their harmonious cooperation ensures the proper functioning of the entire organism.
ASSESSMENTS Choose the best answer. _______1. Which organ system transports oxygen and nutrients to tissues and removes waste products? a. Urinary system b. circulatory system c. integumentary system d. digestive system
ASSESSMENTS Choose the best answer. _______2. What organ system regulates body functions by chemicals (hormones)? endocrine system reproductive system respiratory system lymphatic system
ASSESSMENTS Choose the best answer. _______3. What organ system is responsible for removing extra water and waste materials from our body? a. urinary system b. endocrine system c. reproductive system d. digestive system
ASSESSMENTS Choose the best answer. _______4. Which organ system do these organs belong? Brain, Spinal Cord, Peripheral Nerves a. Circulatory system. Reproductive system nervous system muscular system
ASSESSMENTS Choose the best answer. _______5. Which animal has a ruminant digestive system? a. dog b. cow c. rabbit d. chicken
ASSESSMENTS Choose the best answer. _______6. Which of the following is absent in the avail digestive system? a. crop b. rumen c. Pancreas d. esophagus
ASSESSMENTS Choose the best answer. _______7. The main organ of the circulatory system a. heart b. veins c. veins d. blood vessel
ASSESSMENTS Choose the best answer. _______8. Which of the following parts is not suited to the group? a. bladder b. kidney c. trachea d. ureter
ASSESSMENTS Choose the best answer. _______9. Which of the following is a function of the digestive system? a. It transports oxygen into the blood. b. It fights against infections. c. It circulates blood to and from the cells of our body d. It breaks down our food so that we can absorb (take in) the nutrients
ASSESSMENTS Choose the best answer. _______10. Which of the following shows one of the pathways of the circulatory system? a. It circulates blood from the lungs into the body. b. It circulates blood from the kidneys to the lungs. c. It circulates blood from the heart into the body and back to the heart. d. It circulates blood from the digestive system and move out from the body.