Grade 7 Cells and Human Body Systems Review

Question 1

The tube that provides a passageway for air. Also called the windpipe.

Accepted Answer

trachea

Question 2

A series of muscle contractions that moves food through the digestive system is called

Accepted Answer

peristalsis

Question 3

How many times do you breathe in one minute?

Accepted Answer

12-25 times

Question 4

Veins carry blood in which direction in the body?

Accepted Answer

back to the heart from the body

Question 5

Which of the following keeps the respiratory tissues from drying out?

Accepted Answer

mucous

Question 6

Which cell part directs cell activities, growth, and division?

Accepted Answer

nucleus

Question 7

Bones are connected to bones by a type of connective tissue called

Accepted Answer

ligaments

Question 8

The heart has _________chambers

Accepted Answer

4

Question 9

Which cell part breaks down sugar to release energy?

Accepted Answer

mitochondria

Question 10

The special kind of tissue that connects muscle to bone is a

Accepted Answer

tendon

Question 11

The following are all functions of the skeletal system EXCEPT

Accepted Answer

help us breathe

Question 12

How do the muscles and bones work together for movement?

Accepted Answer

When a muscle contracts, it pulls on tendon to move a bone

Question 13

What 2 organelles does a plant cell have that an animal cell does not?

Accepted Answer

cell wall and chloroplast

Question 14

What is the proper order of how an organism is organized?

Accepted Answer

cell, tissue, organ, organ system, organism

Question 15

What is the difference between a unicellular organism and a multi cellular organism?

Accepted Answer

both A and B

Question 16

Your elbow is an example of what type of body joint?

Accepted Answer

hinge

Question 17

Blood from the lungs enters through which side of the heart?

Accepted Answer

left atrium

Question 18

The type of muscle that helps blood flow through blood vessels is called

Accepted Answer

smooth

Question 19

Cardiac muscle is found in what body organ?

Accepted Answer

heart

Question 20

Which cell part controls the flow of materials into and out of the cell?

Accepted Answer

cell membrane

Question 21

Arteries carry blood in which direction?

Accepted Answer

away from the heart to the body, only to the lungs

Question 22

The place where oxygen and carbon dioxide are exchanged between the blood and air.

Accepted Answer

alveoli

Question 23

Carbon dioxide and waste products diffuse from the tissues into the blood through the?

Accepted Answer

capillaries

Question 24

What is the best definition of a cell?

Accepted Answer

Is the smallest unit that can function

Question 25

Any place where two or more bones meet is called a

Accepted Answer

body joint

Question 26

The flexible tissue that keeps bones from rubbing against each other is called

Accepted Answer

cartilage

Question 27

Living things need which of the following to survive?

Accepted Answer

All of the above

Question 28

Most digestive activities are completed in the

Accepted Answer

small intestine

Question 29

The human epiglottis

Accepted Answer

closes during swallowing

Question 30

What cell part is the fluid that fills the cell?

Accepted Answer

cytoplasm

Grade 7 Cells and Human Body Systems Review

Questions 30

Grade 7 Cells and Human Body Systems Review

Questions 30