Human Body for Middle School: Skeletal/Muscular/Skin/Digestive Systems

Question 1

___ make bones hard.

Accepted Answer

minerals

Question 2

Vitamin D helps the body absorb ___.

Accepted Answer

calcium

Question 3

These accessory organs of digestive system work together to produce/store enzymes

Accepted Answer

pancreas, liver & gall bladder

Question 4

*CHALLENGE: your doctor said you were deficient in this, & suggested you get more sunshine...

Accepted Answer

Vitamin D

Question 5

The three layers of skin organized from OUTSIDE to INSIDE include:

Accepted Answer

epidermis, dermis, fatty layer

Question 6

Which layer of skin contains DEAD skin cells?

Accepted Answer

epidermis

Question 7

Involuntary muscle of internal organs such as the intestines are considered ___.

Accepted Answer

smooth

Question 8

If you CANNOT consciously control a muscle (like your intestines or heart), it's classified as:

Accepted Answer

involuntary

Question 9

An organ that relaxes and contracts to cause movement is a ___.

Accepted Answer

muscle

Question 10

Thick bands of tissue that attach muscle to bones is called ___.

Accepted Answer

tendons

Question 11

The process of digestion begins in your ___

Accepted Answer

mouth

Question 12

Blood cell production is in the center of long bones in an area called bone ___.

Accepted Answer

marrow

Question 13

Good bacteria in our intestinal tract serve this purpose:

Accepted Answer

BOTH ANSWERS ARE CORRECT

Question 14

Which layer of skin holds the melanocytes that produce melanin?

Accepted Answer

epidermis

Question 15

___ is important in joints because it acts as a shock absorber.

Accepted Answer

cartilage

Question 16

Which type of digestion includes chewing, mixing, and churning?

Accepted Answer

mechanical

Question 17

Which layer of skin contains hair follicles, sweat glands, and oil glands?

Accepted Answer

dermis

Question 18

The muscular tube that is the passageway from mouth to stomach:

Accepted Answer

esophagus

Question 19

The smooth, flexible layer of tissue covering the ends of bone is ___.

Accepted Answer

cartilage

Question 20

Any place where two or more bones meet is a ___. Bones are held together by ___.

Accepted Answer

joint/ligaments

Question 21

A protein that speeds up chemical reactions in your body without being changed itself is a(n) _

Accepted Answer

enzyme

Question 22

Which is NOT a major function of the skin?

Accepted Answer

production of blood cells

Question 23

During digestive processes, large intestine will absorb water & return to body to maintain _

Accepted Answer

homeostasis

Question 24

All of the following are true for cardiac muscle EXCEPT that it ___.

Accepted Answer

contracts about 30 times in a minute

Question 25

The "end" of the digestive tract that controls the release of waste:

Accepted Answer

anus

Question 26

The joints of the bones of the skull and pelvis are classified as ___ joints.

Accepted Answer

immovable

Question 27

Food that leaves your stomach in the form of a thin, watery fluid is called ___

Accepted Answer

chyme

Question 28

Your stomach has a protective mucous lining to prevent the ____ from damaging the tissue.

Accepted Answer

hydrochloric acid

Question 29

Which is NOT a major function of the skeletal system?

Accepted Answer

regulate body temperature

Question 30

___ is the chemical that gives skin its color.

Accepted Answer

melanin

Human Body for Middle School: Skeletal/Muscular/Skin/Digestive Systems

Questions 30

Human Body for Middle School: Skeletal/Muscular/Skin/Digestive Systems

Questions 30