Unit B: Cells and Systems

Question 1

Define what organisms mean?

Answer 1

All living things

Question 2

What are the six characteristics of living things?

Answer 2

1: They need energy
2: Grow and develop
3: Respond to the environment
4: Reproduce
5: Have adaptations
6: Environment

Question 3

What’s the difference between structure and function?

Answer 3

structures are the shape for a specific function of task

functions are how the structures work

Question 4

Can you name all 8 body systems?

Answer 4

Circulatory, Respiratory, Digestive, Nervous, Excretory, Skeletal, Muscular, Integumentary

Question 5

What are the 2 types of cells?

Answer 5

Unicellular and Multicellular

Question 6

What are unicellular cells?

Answer 6

An organism made up of one cell

Question 7

What are multicellular cells?

Answer 7

An organism made up of multiple cells

Question 8

What is the function of a microscope?

Answer 8

A telescope device that can look at something really close

Question 9

What is an amoeba?

Answer 9

Unicellular cells that live in water

Question 10

What are pseudopods?

Answer 10

a “foot-like- structure to make amoeba’s move

Question 11

What is the cell membrane?

Answer 11

Cell membranes are semipermeable and allow only some substances such as water and oxygen to pass through.​

Question 12

What is diffusion?

Answer 12

Particles naturally want to move from an area of high concentration to an area of low concentration

Question 13

What is osmosis?

Answer 13

Water particles move from the HIGHER concentrated water to the LOWER concentrated water

Question 14

Cells in multicellular organisms develop and reproduce through ____ ______

Answer 14

binary fission

Question 15

Cells can undergo certain functions because they are ______

Answer 15

specialized

Question 16

What are the 4 animal tissue types?

never eat moldy cheese

Answer 16

Nervous, Epithelial, Muscle, and Connective.

Question 17

What are the 3 plant organs that make up a plant tissue?

Answer 17

Leaf. Stem, and Roots

Question 18

What are the 4 plant tissue types?

Pigs take stinky poos

Answer 18

Protective, Transport, Storage, Photosynthetic

Question 19

What’s the difference between mechanical and chemical digestion?

Answer 19

Mechanical is the physical breakdown of the food while Digestive is the break down of large particles by using enzymes.

Question 20

What starts digestion?

Answer 20

Digestion begins at the mouth, with the mechanical breakdown of your food

Question 21

What is gastric juice composed of?

Answer 21

It’s composed of Mucus, hydrochloric acid, and enzymes

Question 22

What does the epiglottis do?

Answer 22

As you swallow, a flap of skin moves across your windpipe and food is funneled into the esophagus.

Question 23

What is the function of villi and microvilli?

Answer 23

When the food has been broken into smaller pieces the small intestine absorbs these small particles, through villi. On each villi, there are more bumps and groves called microvilli.

Question 24

What’s the difference between the large intestine and the small intestine?

Answer 24

Mechanical and Chemical Digestion is complete when it reaches the large intestine while the small intestine, breaks down starches and proteins into smaller pieces.

Question 25

What are alveoli?

Answer 25

The alveoli are surrounded by capillaries (small blood vessels) that have a wall, one cell thick.

Question 26

What happens when you’re inhaling air?

Answer 26

When inhaling, muscles contract, which pulls your ribs up and pushes your diaphragm down. Your chest becomes larger and pulls air in.

Question 27

What happens when you exhaling air?

Answer 27

When you exhale, these muscles relax and your ribs go down and the diaphragm up.

Question 28

Describe the importance of the cell?

Answer 28

1) All organisms are made up of at least one cell

2) Every cell comes from another cell

Question 29

What are nutrients?

Answer 29

Substances that provide the energy and materials that organisms need to grow, develop, and reproduce

Question 30

Explain what stimulus means?

Answer 30

If you put your hand on a hot stove, you reaction would immediately be removing your hand