2.1 body systems

Question 1

What is an organ?

Answer 1

A group of tissues

Question 2

What is an organ system?

Answer 2

An organ system is one or more organs that perform specific functions

Question 3

What is a tissue?

Answer 3

Tissue is cells of the same structure or function

Question 4

What are the three characteristics of all systems?

Answer 4

1. A system is made of individual parts that work together as a whole.
2. a system is usually connected to one or more systems,
3. if one part of a system is missing or damaged the system will not function well or may not function at all

Question 5

What body system is this?

Answer 5

Circulatory System

Question 6

What is the function of this system? (4 things to remember)

Answer 6

The circulatory system transports blood, nutrients, gasses and wastes around the body

Question 7

What is this system?

Answer 7

Digestive System

Question 8

What is the function of the digestive system? (4 things to remember)

Answer 8

The digestive system takes in food, breaks down food, absorbs nutrients and eliminates solid waste.

Question 9

What is this system called?

Answer 9

Respiratory system

Question 10

What does the respiratory system do?

Answer 10

The respiratory system controls breathing. Exchanges gases in the lungs and tissues.

Question 11

What is this system?

Answer 11

Excretory System

Question 12

What does the excretory system do?

Answer 12

The excretory system removes liquid and gas wastes from the body.

Question 13

What is this system?

Answer 13

Immune system.

Question 14

What does the immune system do?

Answer 14

The immune system defends the body against infections

Question 15

What is this system?

Answer 15

Muscular system

Question 16

What does the muscular system do?

Answer 16

The muscular system has mucles that work with the bones to move parts of the body.

Question 17

What is this system?

Answer 17

Nervous system

Question 18

What does the nervous system do?

Answer 18

The nervous system detects changes in the enviroment and signals those changes to the body, which then carries out a response.

Question 19

What is this system?

Answer 19

Skeletal system

Question 20

What does the skeletal system do? (three things)

Answer 20

The skeletal system supports, protects, and works with muscles to move parts of the body.

Question 21

What is this system?

Answer 21

The integumentary system

Question 22

What does the integumentary system do?

Answer 22

The integumentary system includes the skin, hair, and nails. It creates a waterproof protective barrier around the body.

Question 23

What is this system?

Answer 23

The reproductive system.

Question 24

What does the reproductive system do?

Answer 24

The reproductive system includes reproductive organs for producing offspring (babies).

Question 25

What is this system?

Answer 25

The endocrine system

Question 26

What does the the endocrine system do?

Answer 26

The endocrine system manufactures and releases hormones.

Question 27

What are the eleven body systems?

Answer 27

1. circulatory
2. digestive
3. respiratory
4. excretory
5. immune
6. endocrine
7. reproductive
8. integumentary
9. skeletal
10. muscular
11. nervous

Question 28

What is the smallest part of a system?

Answer 28

A cell is the smallest part of a system

Question 29

Explain this picture

Answer 29

A heart cell is the smallest part of the system. Heart cells make up the piece of cardiac (heart) tissue. Heat tissue makes up the organ – the heart. The heart is part of the organ system called the circulatory system. The circulatory system is part of the oganism called a human.

Question 30

What are tissues

Answer 30

Tissues are cells of the same structure and function are grouped together.

Question 31

What do groups of tissues form?

Answer 31

Groups of tissues form organs.

Question 32

Where does the word tissue come from and what does it mean? Why is this word appropriate?

Answer 32

Tissue comes from Latin and means ‘to weave’.

This is appropriate because tissue is cells that are woven together by sticky materials or fibers that go between each cell.

Question 33

What are the four types of tissue in the human body?

Answer 33

1, Muscle tissue

2. Nerve tissue
3. Connective tissue
4. Epithelial tissue

Question 34

What is muscle tissue?

Answer 34

muscle tissue, such as skeltal muscle tissue, assists in body movment. It also helps some organs carry out specific functions, such as the heart pumping blood.

Question 35

What is nerve tissue?

Answer 35

Nerve tissue transfers signals in the body and its organs to tell the body how to respond to changes in its internal and external environments.

Question 36

What is connective tissue?

Answer 36

Connective tissue holds together and supports other tissues, such as skeltal connective tissues.

Connective tissue connects, protects, and insulates organs.

Question 37

What is Epithelial tissue?

Answer 37

Epithelial tissue covers the surface of ogans and the body. It also lines the inside of body parts, such as the mouth, esophagus, and the stomach.

Question 38

What is tissue A?

Answer 38

A. is muscle tissue

Muscle tissue helps the bones move, and also helps organs like the heart to pump.

Question 39

What is tissue B

Answer 39

B. is Nerve tissue.

Nerve tissue transfers signals in the body and organs to tell the body how to respond to its internal and external environments

Question 40

What is tissue C?

Answer 40

C. is Connective tissue

Connective tissue holds together and supports other tissues, such as skeltal connective tissue. Connective tissue connects, protects, and insulates organs.

Question 41

What is tissue D?

Answer 41

D. is Epithelial tissue

Epithelial tissue covers the surface of organs and the body. It also lines the indie of body parts, such as the mouth, esophagus, and the stomach