Levels Of Organization

Question 1

What are organelles?

Answer 1

Parts that make up a cell, such as the nucleus, ribosomes, and mitochondria.

Question 2

What is the basic unit of life?

Answer 2

Cell.

Question 3

What is a tissue?

Answer 3

A group of similar cells that work together on a specific task.

Question 4

What are the four main types of tissues in humans?

Answer 4

• Muscle Tissue
• Nerve Tissue
• Epithelial Tissue
• Connective Tissue

Question 5

What is an organ?

Answer 5

A structure made up of two or more tissues organized to carry out a particular function.

Question 6

What forms an organ system?

Answer 6

Groups of organs with related functions.

Question 7

What is the relationship between structure and function at each level of organization?

Answer 7

Structure is closely related to function.

Question 8

What is the smallest unit of an element?

Answer 8

Atom.

Question 9

What do atoms combine to form?

Answer 9

Molecules.

Question 10

Fill in the blank: Atoms combine to form _______.

Answer 10

Molecules.

Question 11

What is an example of a biomolecule?

Answer 11

• Water
• DNA
• Carbohydrates

Question 12

What level of organization do organelles belong to?

Answer 12

Organelle Level.

Question 13

Name a type of muscle tissue.

Answer 13

• Cardiac muscle
• Skeletal muscle
• Smooth muscle

Question 14

What is the function of the heart?

Answer 14

Pumping blood throughout the body.

Question 15

True or False: The structure of the lungs is designed for gas exchange.

Answer 15

True.

Question 16

What reflects the job of a specific organ?

Answer 16

The structure of that organ.

Question 17

What is the function of epithelial tissue?

Answer 17

Lines surfaces and cavities in the body.

Question 18

Fill in the blank: The _______ cells in the small intestine absorb nutrients.

Answer 18

Epithelial.

Question 19

What is connective tissue’s primary role?

Answer 19

Support and bind other tissues.

Question 20

Name an example of connective tissue.

Answer 20

• Tendon
• Bone
• Fat tissue

Question 21

What type of tissue is the brain made of?

Answer 21

Nerve Tissue.

Question 22

What is a key characteristic of muscle cells?

Answer 22

They are needed for body movement.

Question 23

What is the smallest unit of life?

Answer 23

Cell

Cells are enclosed by a membrane or cell wall and often perform specific functions in multicellular organisms.

Question 24

What are tissues?

Answer 24

Groups of cells with similar functions

Tissues are essential for the organization of cells into functional units.

Question 25

What defines an organ?

Answer 25

Two or more types of tissues that work together to complete a specific task ## Footnote Examples include the heart, liver, and stomach.

Question 26

What is an organ system?

Answer 26

A group of organs that perform related functions ## Footnote Organ systems work together to maintain homeostasis in an organism.

Question 27

What levels of biological organization are mentioned?

Answer 27

Cellular Level, Tissue Level, Organ Level, Organ System Level ## Footnote These levels represent the hierarchy of structure in biology.

Question 28

What are the four main types of tissues?

Answer 28

Muscle, Epithelial, Connective, Nervous ## Footnote Most organs contain all four tissue types.

Question 29

What is the function of the heart?

Answer 29

Pumps blood ## Footnote The heart circulates blood throughout the body.

Question 30

What is the role of the lungs?

Answer 30

Bring in oxygen and eliminate carbon dioxide ## Footnote The lungs are crucial for gas exchange in the respiratory system.

Question 31

What is the function of the skin?

Answer 31

Provides a barrier to protect internal structures from the external environment ## Footnote The skin is the largest organ and plays a vital role in protection.

Question 32

Fill in the blank: Organs are grouped by _______ for the organ system.

Answer 32

[function] ## Footnote This grouping allows for coordinated activities among organs.

Question 33

True or False: An organism has several organ systems that function independently.

Answer 33

False ## Footnote Organ systems function together to maintain the overall health of the organism.

Question 34

What does the digestive system do?

Answer 34

Breaks down food and absorbs nutrients ## Footnote It is essential for providing energy and nutrients to the body.

Question 35

What is the role of the submucosa in the stomach?

Answer 35

Supports the tissues and controls smooth muscle ## Footnote The submucosa contains blood vessels and neurons.