100% CORRECT WELL DETAILED
ANSWERS|LATEST 2025/2026|GRADED
list the organizational levels of biology starting with the most basic -
ANSWER chemical, cellular, tissue, organ, organ system, organismal
integumentary system - ANSWER Forms the body's external covering; protects deeper
tissue from injury; helps regulate body temperature
skeletal system - ANSWER Protects and supports body organs and provides a
framework the muscles use to support the movement. Made up of bones and joints
Muscular System - ANSWER Allows manipulation of the environment, locomotion, and
facial expression. Maintains posture, and produces heat.
nervous system - ANSWER the body's speedy, electrochemical communication
network, consisting of all the nerve cells of the peripheral and central nervous systems
endocrine system - ANSWER Glands secrete hormones that regulate processes such as
growth, reproduction, and nutrient use (metabolism) by body cells.
lymphatic system - ANSWER Composed of a network of vessels, ducts, nodes, and
organs. Provides defense against infection.
respiratory system - ANSWER Brings oxygen into the body. Gets rid of carbon dioxide.
digestive system - ANSWER Breaks down food into absorbable units that enter the
blood for distribution to body cells.
1
, urinary system - ANSWER Eliminates nitrogenous wastes from the body. Regulates
water, electrolyte and acid-base balance of the blood.
reproductive system - ANSWER Reproduce offspring- produce male sex cells (sperm)
and female sex cells (oocytes)
cardiovascular system - ANSWER Blood vessels transport blood, which carries oxygen,
carbon dioxide, nutrients, wastes, etc. The heart pumps blood.
Define homeostasis - ANSWER maintenance of a stable internal environment
Define negative feedback - ANSWER Feedback in which the response is the opposite of
the stimulus.
example of negative feedback - ANSWER body temperature regulation
Define positive feedback - ANSWER Feedback in which the response is the same as the
stimulus.
example of positive feedback - ANSWER childbirth
Define Anatomy - ANSWER the study of the structure of the body
Define Physiology - ANSWER study of the function of the body
anatomical position - ANSWER erect, feet forward, arms at side with palms facing
forward, head facing forward
2
ANSWERS|LATEST 2025/2026|GRADED
list the organizational levels of biology starting with the most basic -
ANSWER chemical, cellular, tissue, organ, organ system, organismal
integumentary system - ANSWER Forms the body's external covering; protects deeper
tissue from injury; helps regulate body temperature
skeletal system - ANSWER Protects and supports body organs and provides a
framework the muscles use to support the movement. Made up of bones and joints
Muscular System - ANSWER Allows manipulation of the environment, locomotion, and
facial expression. Maintains posture, and produces heat.
nervous system - ANSWER the body's speedy, electrochemical communication
network, consisting of all the nerve cells of the peripheral and central nervous systems
endocrine system - ANSWER Glands secrete hormones that regulate processes such as
growth, reproduction, and nutrient use (metabolism) by body cells.
lymphatic system - ANSWER Composed of a network of vessels, ducts, nodes, and
organs. Provides defense against infection.
respiratory system - ANSWER Brings oxygen into the body. Gets rid of carbon dioxide.
digestive system - ANSWER Breaks down food into absorbable units that enter the
blood for distribution to body cells.
1
, urinary system - ANSWER Eliminates nitrogenous wastes from the body. Regulates
water, electrolyte and acid-base balance of the blood.
reproductive system - ANSWER Reproduce offspring- produce male sex cells (sperm)
and female sex cells (oocytes)
cardiovascular system - ANSWER Blood vessels transport blood, which carries oxygen,
carbon dioxide, nutrients, wastes, etc. The heart pumps blood.
Define homeostasis - ANSWER maintenance of a stable internal environment
Define negative feedback - ANSWER Feedback in which the response is the opposite of
the stimulus.
example of negative feedback - ANSWER body temperature regulation
Define positive feedback - ANSWER Feedback in which the response is the same as the
stimulus.
example of positive feedback - ANSWER childbirth
Define Anatomy - ANSWER the study of the structure of the body
Define Physiology - ANSWER study of the function of the body
anatomical position - ANSWER erect, feet forward, arms at side with palms facing
forward, head facing forward
2
