Organs And Organ Systems

Question 1

What is an organ?

Answer 1

Made up of a group of different tissues that work together to perform a certain function.

Question 2

What is a tissue?

Answer 2

A group of similar cells that work together together to perform a certain function

Question 3

What are multi-cellular organisms?

Answer 3

Cells are the building blocks of life.
Nerve,muscle, and red blood cells are examples of animal cells.
Root hair and leaf cells are example of plant cells.

Question 4

What is an organ system?

Answer 4

A groups of different organs that work together to perform a certain function.

Question 5

What is the function of the circulatory system?

Answer 5

Transports substances around the body in the blood

Question 6

What is the function of the respiratory system?

Answer 6

Takes in oxygen and removes carbon dioxide from the blood

Question 7

What is the function of the digestive system?

Answer 7

Breaks down then absorbs food molecules.

Question 8

What is the function of the muscular skeletal system?

Answer 8

Supports the body and causes movement by muscles and bones working together.

Question 9

What is the function of the immune system?

Answer 9

Protects the body against infections.

Question 10

What is the hierarchy of the organisation in the body?

Answer 10

1. organism
2. organ system.
3. organs. Increasing complexity = going up
4. tissues
5. cells