169-194

Question 1

True or false: a cell’s shape helps it do its job

Answer 1

true

Question 2

name 5 cells found in the human body

Answer 2

nerve cells
red blood cells
bone cells
muscle cells
fat cells

Question 3

what type of organisms take in and give off waste directly from or in their surroundings?

Answer 3

unicellular organisms

Question 4

a group of parts that work together are called

Answer 4

a system

Question 5

plants and animals use ________ for moving material throughout their bodies

Answer 5

systems

Question 6

what type of cells in plants and animals can take in or give off wastes

Answer 6

only surface cells

Question 7

plants use tubes to carry water and ______

Answer 7

nutrients

Question 8

people and animals have tubes called vessels to carry blood cells that carry nutrients and

Answer 8

oxygen

Question 9

body systems work together to carry out all your body’s ______ and keep you ________

Answer 9

functions

healthy

Question 10

which system takes in oxygen= from the air that you breathe?

Answer 10

respiratory system

Question 11

Name all 4 parts of the respiratory system

Answer 11

1. nose and nasal passages
2. mouth
3. trachea
4. lungs
5. diaphragm

Question 12

what is the main structure of the respiratory system?

Answer 12

lungs

Question 13

what is another name for trachea

Answer 13

windpipe

Question 14

oxygen is taken into the blood through the lungs. What is given off?

Answer 14

carbon dioxide

Question 15

the air you breathe in has more

Answer 15

oxygen

Question 16

the air you breathe out has ore

Answer 16

carbon dioxide

Question 17

name the tiny sheet that lies below your lungs and attaches with muscle to your ribs

Answer 17

diaphragm

Question 18

where do you get the things your body needs (materials and energy) to stay alive

Answer 18

the food you eat

Question 19

what system breaks down food so it can be used by the body?

Answer 19

digestive system

Question 20

name the 5 parts of the digestive system

Answer 20

1. mouth
2. Esophagus
3. Stomach
4. small intestine
5. large intestine

Question 21

what mixes with food when it enters your stomach to help break it down

Answer 21

chemicals

Question 22

what is absorbed in the small intestine

Answer 22

nutrients

Question 23

what is removed from food in the large intestine

Answer 23

water

Question 24

what happens to remaining food that has not been ingested?

Answer 24

it becomes waste

Question 25

what system carries oxygen, food, and wastes throughout the body.

Answer 25

circulatory system

Question 26

Name the 3 parts that make up the circulatory system

Answer 26

1. heart
2. blood vessels
3. blood