4th 9 Weeks

Question 1

Blood vessels that carry blood away from the heart are called

Answer 1

Arteries

Question 2

Which component of blood carries oxygen to body cells

Answer 2

Red blood cells

Question 3

What structure prevents blood from flowing backwards

Answer 3

Valve

Question 4

When ventricles contract, blood is pumped

Answer 4

Out of the heart

Question 5

Needed substances are carried to the body cells by

Answer 5

Blood

Question 6

What is the function of white blood cells?

Answer 6

To fight disease

Question 7

What structures enable the small intestine to absorb large amounts of nutrients?

Answer 7

Villi

Question 8

What substance in the mouth chemically breaks down food?

Answer 8

Saliva

Question 9

What process moves food down the esophagus?

Answer 9

Peristalsis

Question 10

What substance protects the stomach?

Answer 10

Mucus

Question 11

Where does most chemical digestion take place?

Answer 11

Small intestine

Question 12

Where is bile produced?

Answer 12

Liver

Question 13

What is the main function of the excretory system?

Answer 13

To collect and remove waste

Question 14

What organ stores urine?

Answer 14

Bladder

Question 15

What substance is found in urine?

Answer 15

Urea

Question 16

What is the function of the kidneys?

Answer 16

Remove urea and excess water

Question 17

What are the endocrines chemicals called?

Answer 17

Hormones

Question 18

A change that makes an organism react

Answer 18

Stimulus

Question 19

What part of the neuron carries signals away from the cell?

Answer 19

Axon

Question 20

A motor neuron sends an impulse to

Answer 20

Muscles

Question 21

What part of the brain controls memory?

Answer 21

Cerebrum

Question 22

An automatic response

Answer 22

Reflex

Question 23

Gas passes in and out of plants through

Answer 23

Leaves

Question 24

Female flower parts are called

Answer 24

Pistols