Exam focused Chapter 1-4 Anatomy
and Physiology questions & answers
What is the main function of the human body?
✔️✔️ To maintain life by performing essential processes like metabolism, responsiveness,
movement, and reproduction
What level of organization is made up of similar cells performing a common function?
✔️✔️ Tissue level
What is the smallest unit of life in the human body?
✔️✔️ The cell
What does metabolism refer to?
✔️✔️ All chemical reactions occurring in the body
What is homeostasis?
✔️✔️ The ability of the body to maintain stable internal conditions
What type of feedback mechanism reverses a change to maintain balance?
✔️✔️ Negative feedback
Which system is responsible for transporting oxygen and nutrients?
✔️✔️ The cardiovascular system
What is the anatomical position?
✔️✔️ Standing upright, facing forward, arms at the sides, palms facing forward
What plane divides the body into left and right halves?
✔️✔️ Sagittal plane
What cavity houses the lungs?
✔️✔️ Thoracic cavity
What is the function of the cell membrane?
✔️✔️ To control what enters and leaves the cell
What organelle is known as the powerhouse of the cell?
✔️✔️ Mitochondria
What is the function of ribosomes?
✔️✔️ Protein synthesis
1
,What structure contains genetic material in the cell?
✔️✔️ The nucleus
What type of tissue covers body surfaces?
✔️✔️ Epithelial tissue
What tissue type is responsible for movement?
✔️✔️ Muscle tissue
What is the main function of nervous tissue?
✔️✔️ To transmit electrical signals
What type of muscle is involuntary and found in organs?
✔️✔️ Smooth muscle
What is the basic unit of structure in compact bone?
✔️✔️ Osteon
What does the integumentary system include?
✔️✔️ Skin, hair, nails, and glands
What is keratin?
✔️✔️ A protein that strengthens skin, hair, and nails
What is the function of melanin?
✔️✔️ To give skin its color and protect against UV radiation
What layer of the skin contains blood vessels?
✔️✔️ Dermis
What type of joint allows the most movement?
✔️✔️ Ball-and-socket joint
What is the function of ligaments?
✔️✔️ To connect bones to other bones
What is the function of tendons?
✔️✔️ To connect muscles to bones
What mineral is primarily stored in bones?
✔️✔️ Calcium
What is hematopoiesis?
✔️✔️ The formation of blood cells
2
,What system controls and coordinates body activities quickly?
✔️✔️ Nervous system
What is a neuron?
✔️✔️ A nerve cell that transmits impulses
What part of the neuron receives signals?
✔️✔️ Dendrites
What part of the brain controls balance and coordination?
✔️✔️ Cerebellum
What protects the brain and spinal cord?
✔️✔️ Meninges and cerebrospinal fluid
What is the function of the spinal cord?
✔️✔️ To transmit signals between the brain and body
What is a reflex?
✔️✔️ A rapid, automatic response to a stimulus
What is the function of the skeletal system?
✔️✔️ To support, protect, and provide structure for the body
What is cartilage?
✔️✔️ A flexible connective tissue found in joints
What type of blood cells fight infection?
✔️✔️ White blood cells
What is the main function of red blood cells?
✔️✔️ To transport oxygen
What is plasma?
✔️✔️ The liquid portion of blood
What does the lymphatic system do?
✔️✔️ Helps fight infection and maintain fluid balance
What is the primary function of the respiratory system?
✔️✔️ Gas exchange
What is the main muscle used for breathing?
✔️✔️ Diaphragm
3
, What system breaks down food into nutrients?
✔️✔️ Digestive system
What is peristalsis?
✔️✔️ Wave-like muscle contractions that move food
What is the function of the liver?
✔️✔️ Detoxification and production of bile
What system removes waste from the body?
✔️✔️ Urinary system
What organ filters blood to produce urine?
✔️✔️ Kidneys
What is the function of hormones?
✔️✔️ To regulate body processes
What system produces hormones?
✔️✔️ Endocrine system
What is reproduction?
✔️✔️ The process of producing offspring
What is growth?
✔️✔️ Increase in size and number of cells
What is differentiation?
✔️✔️ Process by which cells become specialized
What is the function of oxygen in the body?
✔️✔️ To support cellular respiration and energy production
Anatomy✔️✔️the study of the structure of the body
Physiology✔️✔️the study of the function of the body
Chemical level✔️✔️represents the atoms and molecules that make up cells (Consists of
Atomic level and molecular level)
Cellular level✔️✔️represents the basic unit of all living things
Tissue level✔️✔️a group of cells with similar or common function
4
and Physiology questions & answers
What is the main function of the human body?
✔️✔️ To maintain life by performing essential processes like metabolism, responsiveness,
movement, and reproduction
What level of organization is made up of similar cells performing a common function?
✔️✔️ Tissue level
What is the smallest unit of life in the human body?
✔️✔️ The cell
What does metabolism refer to?
✔️✔️ All chemical reactions occurring in the body
What is homeostasis?
✔️✔️ The ability of the body to maintain stable internal conditions
What type of feedback mechanism reverses a change to maintain balance?
✔️✔️ Negative feedback
Which system is responsible for transporting oxygen and nutrients?
✔️✔️ The cardiovascular system
What is the anatomical position?
✔️✔️ Standing upright, facing forward, arms at the sides, palms facing forward
What plane divides the body into left and right halves?
✔️✔️ Sagittal plane
What cavity houses the lungs?
✔️✔️ Thoracic cavity
What is the function of the cell membrane?
✔️✔️ To control what enters and leaves the cell
What organelle is known as the powerhouse of the cell?
✔️✔️ Mitochondria
What is the function of ribosomes?
✔️✔️ Protein synthesis
1
,What structure contains genetic material in the cell?
✔️✔️ The nucleus
What type of tissue covers body surfaces?
✔️✔️ Epithelial tissue
What tissue type is responsible for movement?
✔️✔️ Muscle tissue
What is the main function of nervous tissue?
✔️✔️ To transmit electrical signals
What type of muscle is involuntary and found in organs?
✔️✔️ Smooth muscle
What is the basic unit of structure in compact bone?
✔️✔️ Osteon
What does the integumentary system include?
✔️✔️ Skin, hair, nails, and glands
What is keratin?
✔️✔️ A protein that strengthens skin, hair, and nails
What is the function of melanin?
✔️✔️ To give skin its color and protect against UV radiation
What layer of the skin contains blood vessels?
✔️✔️ Dermis
What type of joint allows the most movement?
✔️✔️ Ball-and-socket joint
What is the function of ligaments?
✔️✔️ To connect bones to other bones
What is the function of tendons?
✔️✔️ To connect muscles to bones
What mineral is primarily stored in bones?
✔️✔️ Calcium
What is hematopoiesis?
✔️✔️ The formation of blood cells
2
,What system controls and coordinates body activities quickly?
✔️✔️ Nervous system
What is a neuron?
✔️✔️ A nerve cell that transmits impulses
What part of the neuron receives signals?
✔️✔️ Dendrites
What part of the brain controls balance and coordination?
✔️✔️ Cerebellum
What protects the brain and spinal cord?
✔️✔️ Meninges and cerebrospinal fluid
What is the function of the spinal cord?
✔️✔️ To transmit signals between the brain and body
What is a reflex?
✔️✔️ A rapid, automatic response to a stimulus
What is the function of the skeletal system?
✔️✔️ To support, protect, and provide structure for the body
What is cartilage?
✔️✔️ A flexible connective tissue found in joints
What type of blood cells fight infection?
✔️✔️ White blood cells
What is the main function of red blood cells?
✔️✔️ To transport oxygen
What is plasma?
✔️✔️ The liquid portion of blood
What does the lymphatic system do?
✔️✔️ Helps fight infection and maintain fluid balance
What is the primary function of the respiratory system?
✔️✔️ Gas exchange
What is the main muscle used for breathing?
✔️✔️ Diaphragm
3
, What system breaks down food into nutrients?
✔️✔️ Digestive system
What is peristalsis?
✔️✔️ Wave-like muscle contractions that move food
What is the function of the liver?
✔️✔️ Detoxification and production of bile
What system removes waste from the body?
✔️✔️ Urinary system
What organ filters blood to produce urine?
✔️✔️ Kidneys
What is the function of hormones?
✔️✔️ To regulate body processes
What system produces hormones?
✔️✔️ Endocrine system
What is reproduction?
✔️✔️ The process of producing offspring
What is growth?
✔️✔️ Increase in size and number of cells
What is differentiation?
✔️✔️ Process by which cells become specialized
What is the function of oxygen in the body?
✔️✔️ To support cellular respiration and energy production
Anatomy✔️✔️the study of the structure of the body
Physiology✔️✔️the study of the function of the body
Chemical level✔️✔️represents the atoms and molecules that make up cells (Consists of
Atomic level and molecular level)
Cellular level✔️✔️represents the basic unit of all living things
Tissue level✔️✔️a group of cells with similar or common function
4
