Answer To: Sample assessment tool -- Observation and demonstration checklist HLTAAP002 Confirm physical health...
P answered on Aug 29 2021
1. Briefly describe the overall structure and functions of the following components of the human body.
a. Overall structure and functions of a Human cell:
Structure: human cell is composed of Cell membrane, Nucleus and Cytoplasm.
Function: cell membrane-maintenance of cell integrity and control material movements
Nucleus and nucleolus- contains genetic material-determines the cell functions and structure of cell.
Cytoplasm-cell expansion, growth and replication
b. Overall structure and functions of skeletal muscle tissue:
Structure: integration of skeletal muscle fibers, blood vessels, nerve fibers and connective tissue.
Function: movement, posture and balance of body, endocrine regulation.
2. Briefly describe the following four (4) major types of cellular adaptation.
a) Hyperplasia: increase in the number of cells in organ or tissue.
b) Hypertrophy: Increase in size of the cells in organ or tissue.
c) Atrophy: Decrease in size of body part -cell, organ or tissues.
d) Metaplasia: abnormalities resulting the changes in nature of cell.
3. Briefly describe the following life processes in your own words.
a. Organization: The biological level of organization includes organization of cells into tissues, tissues to organs, organs to organ system to organism.
b. Processes of metabolism: chemical process inside the body to maintain homeostasis- nutrients breakdown to maintain body
c. Nutrition: food and drinks that provides energy for maintaining health.
d. Biological maturation: Lack of nutrients for the maintenance of various metabolic process results in poor growth and increased disease susceptibility of the individual.
e. Inheritance: Passing of genetic information from parents to progeny.
f. Ageing: Accumulation of structural and functional changes in an organism.
4. Briefly describe the six (6) levels of structural organization of the human body in order from the smallest structural unit to the largest.
Chemical, cellular, tissues, organs, organ systems and organism.
All the living organisms are made up of atoms which combines to form molecules, these molecules are the building blocks to all the structures in the body. Cell is the made up of different molecules. All the cells which works together perform a specific function are called tissues. Different types of tissues forming an identifiable structure called Organs. Different organs engaged in performing a specific function is organ system. Organism is the highest level where multiple organ systems work together to perform functions.
5. The human body strives to adjust to conditions that are optimal for survival. Answer the following questions on homeostasis
a. Briefly describe the concept of homeostasis in your own words.
Healthy state Maintenance and regulation of temperature, acidity and water levels by the cells and tissues for proper functioning of the body
b. Briefly describe the relationship between homeostatic imbalance and disease.
Homeostatic imbalance is the inability of the body results in lack of control and efficiency. Ex. Aging results in the lack of control which sometimes results in heart failure.
c. Briefly explain the process of body temperature regulation through behavioral and physiological mechanisms.
Behavioral mechanism: Basking, sheltering, shivering, etc.
Physiological mechanism: hypothalamus endocrine secretions: vasodilation, vasoconstrictions, thermogenesis.
6. Briefly describe the structure and functions of the cardio-vascular system.
Structure: heart, blood and blood vessels, arteries, capillaries, veins.
Function: circulates oxygen and removes carbon dioxide, nutrients supply, waste removal, protection from infection.
7. Briefly describe the structure and functions of the respiratory system.
Structure: upper respiratory tract (nasal cavity, pharynx, larynx) and lower respiratory tract (trachea, bronchi, lungs)
Functions: gas exchange, acid-base balance, phonation, pulmonary defense.
8. How does the respiratory system work with the cardio-vascular system?
Lungs brings the oxygen supply which provide the energy and removal of carbon dioxide. Whereas, the heart pumps the blood to maintain homeostasis of the body.
9. Briefly describe the structure and functions of the muscular system.
Structure: skeletal muscle tissue, connective tissue, nerve tissue and vascular tissue.
Function: body support, movement facilitation, internal organ protection, storage of fats and minerals.
10. Briefly describe the structure and functions of the skeletal system
Structure. It constitutes bones, ligaments, muscles, cartilage tendons and joints.
Functions: movement, heat and energy generation, posture maintenance, protection.
11. Briefly describe the interactions between the muscular system and skeletal system in maintaining the posture and balance of the body.
The skeleton provides frame work of muscles and soft tissues maintaining body posture and weight by antagonism (muscle contractions and relaxation).
12. Briefly describe the structure and functions of the endocrine system.
Structure: glands all over the body which release hormones. ex: pancreas, pituitary gland, pineal gland etc.
Functions: Respiration, metabolism, reproduction, growth, movement, sensory perception
13. Briefly describe the structure and functions of the nervous system.
Structure: Brain and Spinal cord.
Function: sensory input, information processing and motor output – results in homeostasis, memory, voluntary control of movement.
14. How do the endocrine and nervous systems work together to act as a communication system for the human body?
The hormones produced by the endocrine system are chemicals which stimulates the brain which in turn maintains growth, reproduction and metabolism.
15. Briefly describe the structure and functions of the digestive system.
Structure: Mouth, esophagus, stomach, small intestine, large intestine, rectum and anus.
Function: Digestion of the food, absorption of nutrients and elimination of wastes.
16. Briefly describe the structure and functions of the urinary system.
Structure: Kidneys, ureters, urinary bladder and urethra.
Functions: waste elimination, regulate blood pressure, pH and control levels of electrolytes and metabolites.
17. Briefly describe how the urinary system, respiratory system, digestive system and...