Cells and structures

Question 1

What is homeostasis?

Answer 1

The process by which a biological system maintains stability while adjusting to conditions that are optimal for survival.

Question 2

True or False: Homeostasis only involves temperature regulation.

Answer 2

False

Question 3

Fill in the blank: The human body maintains a core temperature around _____ degrees Celsius.

Answer 3

37

Question 4

What is the highest level of organization in the human body?

Answer 4

Organism level.

Question 5

List the levels of organization in the human body from simplest to most complex.

Answer 5

Cell, tissue, organ, organ system, organism.

Question 6

True or False: Tissues are groups of similar cells that perform a specific function.

Answer 6

True

Question 7

What is an organ?

Answer 7

A structure composed of two or more tissue types that work together to perform specific functions.

Question 8

Fill in the blank: The _____ system is primarily responsible for hormonal control in the body.

Answer 8

endocrine

Question 9

What is the primary purpose of cell adaptations?

Answer 9

To enable cells to better survive and function in changing environments.

Question 10

Give an example of a physiological adaptation.

Answer 10

Increased red blood cell production at high altitudes.

Question 11

True or False: Cells can undergo hypertrophy as an adaptation to increased workload.

Answer 11

True

Question 12

What is atrophy?

Answer 12

The decrease in size or wasting away of an organ or tissue.

Question 13

What does the term ‘differentiation’ refer to in cell biology?

Answer 13

The process by which a less specialized cell becomes a more specialized cell.

Question 14

Fill in the blank: The _____ level of organization includes groups of similar cells.

Answer 14

tissue

Question 15

What type of tissue is responsible for contracting and producing movement?

Answer 15

Muscle tissue.

Question 16

Define the term ‘homeostatic imbalance’.

Answer 16

A disturbance in homeostasis that can lead to disease or dysfunction.

Question 17

Fill in the blank: The _____ system helps regulate fluid balance in the body.

Answer 17

urinary

Question 18

What is the primary function of connective tissue?

Answer 18

To support, bind together, and protect tissues and organs.

Question 19

List the four main types of tissue in the human body.

Answer 19

Epithelial, connective, muscle, and nervous tissue.

Question 20

What adaptation occurs in cells exposed to chronic stress?

Answer 20

They may undergo hyperplasia or hypertrophy.

Question 21

True or False: All cells in the body have the same structure and function.

Answer 21

False

Question 22

What is the term for a cell’s ability to change its form and function in response to environmental changes?

Answer 22

Plasticity.

Question 23

Fill in the blank: The _____ level of organization consists of groups of organs that work together.

Answer 23

organ system

Question 24

What is the function of the integumentary system in homeostasis?

Answer 24

It protects the body and helps regulate temperature.

Question 25

What is a common consequence of prolonged homeostatic imbalance?

Answer 25

Development of disease.

Question 26

True or False: Homeostasis can be maintained indefinitely without external influence.

Answer 26

False

Question 27

What type of adaptation might occur in muscle cells due to resistance training?

Answer 27

Hypertrophy.

Question 28

What is the role of the respiratory system in maintaining homeostasis?

Answer 28

It regulates oxygen and carbon dioxide levels in the blood.

Question 29

Fill in the blank: The _____ level of organization is the simplest structural level.

Answer 29

cell

Question 30

What is the main purpose of the circulatory system in homeostasis?

Answer 30

To transport nutrients, gases, and waste products throughout the body.

Question 31

True or False: Homeostatic mechanisms are typically controlled by the endocrine system alone.

Answer 31

False

Question 32

What is the function of the digestive system in relation to homeostasis?

Answer 32

It breaks down food to provide nutrients and energy necessary for cellular functions.

Question 33

Fill in the blank: The _____ system is involved in immune responses and the maintenance of homeostasis.

Answer 33

lymphatic