Human Body- Chapter 1- Biology

Question 1

Homeostasis-

Answer 1

The maintenance of a stable internal environment.

Question 2

Epithelial Tissue-

Answer 2

Covers and protects underlying tissue. When you look at the surface of your skin, you see epithilial tissue. The cells stick tightly and form a continuous sheet.

Question 3

Nervous Tissue-

Answer 3

Send electrial signals through the body. It is found in the brain, nerves, and sense organs.

Question 4

Muscle Tissue-

Answer 4

Is made of calls that can contract and relax to produce movement.

Question 5

Connective Tissue-

Answer 5

Joins, supports, protects, insulates, nourishes, and cushions organs. It also keeps organs from falling apart.

Question 6

Tissue-

Answer 6

A group of similiar cells that work together to perform a specific job in the body.

Question 7

Organ-

Answer 7

A combination of two or more tissues that work together to perform a specific funtion in the body.

Question 8

Integumentary System-

Answer 8

Your skin, hair, and nails protect underlying tissue.

Question 9

Muscular System-

Answer 9

Your skeletal muscles move your bones.

Question 10

Skeletal System-

Answer 10

You bones provide a frame to support and protect body parts.

Question 11

Cardiovascular System-

Answer 11

Your heart pumps blood through all your blood vessels.

Question 12

Nervous System-

Answer 12

It is role of the nervous system to recieve and send electrical messages throughout the body.

Question 13

Lymphatic System-

Answer 13

You lymphatic system returns leaked fluids to blood vessels. It also helps you get rid of germs that harm you.

Question 14

Digestive System-

Answer 14

Your digestive system breaks down that food you eat into nutrients that can be absorbed into your body.

Question 15

Endocrine System-

Answer 15

Glands regulate body functions by sending out chemicals messengers. The ovaries, in females, and testes, in males, are part of this system.

Question 16

Respirtory System-

Answer 16

You lungs absorbs oxygen and releases carbon dioxide.

Question 17

Urinary System-

Answer 17

Your urinary system removes waste from the blood and regulates the body’s fluids.

Question 18

Reproductive System(male)-

Answer 18

The male reproductive systems produces and delievers sperm.

Question 19

Reproductive System(female)-

Answer 19

The female reproductive system produces eggs and nourishes and shelters the unborn baby.

Question 20

Protection-

Answer 20

Your heart and lungs are shielded by your ribs, your spinal cordis protected by your vertebrae, and your brain is protected by your skull.

Question 21

Storage-

Answer 21

Bones store minerals that help the nerves and muscles function properly. Your arm and leg bones also store fat that can be used for energy.

Question 22

Movement-

Answer 22

Skeletal muscles pull on the bones to produce movement. Without bones, you would not be able to sit, stand, walk, or run.

Question 23

Blood Cell Formation-

Answer 23

Some of your bones are filled with a special material that makes blood cells.

Question 24

Compact Bones-

Answer 24

The type of bone tissue that does not have open spaces.

Question 25

Spongy Bones-

Answer 25

A type of bone tissue that has many open spaces and contains marrow.

Question 26

Cartilage-

Answer 26

a flexible tissue that gives support and protection but not rigid like bones.

Question 27

Joints-

Answer 27

The place where two or more bones connect.

Question 28

Ligament-

Answer 28

A strong band of tissue that connects bones to bones.

Question 28

Smooth Muscle-

Answer 28

The type of muscle found in the blood vessels and the digestive system.

Question 29

Cardiac Muscle-

Answer 29

The type of muscle found in the heart.

Question 30

Skeletal Muscles-

Answer 30

The type of muscle that moves bones and helps protect inner organs.

Question 31

Tendon-

Answer 31

A tough connective tissue that connects skeletal muscles to bones.