Bio- Ch.1- Les.2

Question 1

The compact bone stores important minerals such as….

Answer 1

Calcium

Question 2

Red marrow is found in bones, and has the function of——

Answer 2

Making blood cells

Question 3

What are the main functions of the skeletal system

Answer 3

• supports the body
• protects internal organs
• makes blood cells
• stores minerals
• helps movement

Question 4

What makes up the skeletal system

Answer 4

Bones
Ligaments
Cartilage

Question 5

What makes up the axial skeleton

Answer 5

The skull
Vertebrae
Ribs

Question 6

What is the axial skeletons function

Answer 6

It supports the bodys weight and protects important organs

Question 7

What makes up the appendicular skeleton

Answer 7

Arms
Legs
Shoulders
Pelvis

Question 8

What is the function of the appendicular skeleton

Answer 8

It allows most of the body’s movement

Question 9

Expalain why the body of a newborn has more bones than the body of an adult

Answer 9

As a child grows, some bones fuse together

Question 10

What are ligaments

Answer 10

Ligaments allow movement, and hold bones together. They are the tough flexible strand of connective tissue.

Question 11

What are cartilage

Answer 11

Cartilage is a strong, flexible, and smooth connective tissue found at the end of bones.
It allows bones to move smoothly across each other.

Question 12

What are bones made of (in general)

Answer 12

Bones are hard organs made up of minerals and connective tissue

Question 13

If you looked inside of a bone, you would notice two kinds of bone tissue. WhAt are they

Answer 13

Spongy bone

Compact bone

Question 14

What is a spongy bones function

Answer 14

Provides most of the strength and support for the bone

Question 15

What is a compact bone’s function

Answer 15

Makes bones rigid and hard

Question 16

The minerals in bones are deposited by bone cells called….

Answer 16

Osteoblasts

Question 17

What is collagen (biological)

Answer 17

The protein the connective tissue in aboneis mostly made of

Question 18

What are ligaments

Answer 18

Ligaments allow movement, and hold bones together. They are the tough flexible strand of connective tissue.

Question 19

What are cartilage

Answer 19

Cartilage is a strong, flexible, and smooth connective tissue found at the end of bones.
It allows bones to move smoothly across each other.

Question 20

What are bones made of (in general)

Answer 20

Bones are hard organs made up of minerals and connective tissue

Question 21

If you looked inside of a bone, you would notice two kinds of bone tissue. WhAt are they

Answer 21

Spongy bone

Compact bone

Question 22

What is a spongy bones function

Answer 22

Provides most of the strength and support for the bone

Question 23

What is a compact bone’s function

Answer 23

Makes bones rigid and hard

Question 24

The minerals in bones are deposited by bone cells called….

Answer 24

Osteoblasts

Question 25

What is collagen (biological)

Answer 25

The protein the connective tissue in aboneis mostly made of

Question 26

What is a joint?

Answer 26

The place where two or more bones connect.

Question 27

Describe hinge joints

Answer 27

Hinge joints allow bones to move back and forth

Question 28

Describe a gliding joint

Answer 28

Gliding joints allow a great deal of flexibility in many directions.

Question 29

Describe a ball and socket joint

Answer 29

Ball and socket joints allow one of the bones of the joint to rotate in a large circle

Question 30

What is osteoporosis?

Answer 30

Osteoporosis is a disease that causes bone tissue to become thin. The bones become weak and break easily. This occurs when adults dont get enough calcium in their diets

Question 31

What is a sprain

Answer 31

A sprain is an injury to a ligament that can be caused by stretching a joint too far. The tissues in a sprained ligament can tear, so they become swollen and painful to move

Question 32

What is muscle tissue?

Answer 32

Muscle is the tissue that contracts and relaxes, making movement possible. Muscle tissue is made up of muscle cells.

Question 33

How do muscles make movement possible?

Answer 33

By contracting and relaxing

Question 34

What are the three kinds of muscle tissue?

Answer 34

- smooth muscle - cardiac muscle - skeletal muscle

Question 35

What kind(s) of muscle tissue is is involuntary?. Why is it named as 'voluntary'

Answer 35

The skeletal muscle tissue is voluntary. | It is voluntary because you We are able to control it.

Question 36

What kind(s) of muscle tissue is involuntary. Why is it called involuntary

Answer 36

Smooth muscle and cardiac muscle are involuntary. They are involuntary because we are not able to control them.

Question 37

How do the three muscle tissue types look simular and different?

Answer 37

Cardiac and skeletal muscles look similar because they are both striped. Cardiac is branched while skeletal is not. Smooth muscle cells are not striped, they are spindle shaped.

Question 38

Smooth muscle is found in.....

Answer 38

Internal organs and blood vessels.

Question 39

Cardiac muscle makes up the .....

Answer 39

Heart

Question 40

The skeletal muscle allows you to ............

Answer 40

Move

Question 41

What is the main function of the smooth muscle?

Answer 41

It helps move materials through the body

Question 42

What is the connection between smooth muscle and the digestive system?

Answer 42

Smooth muscle movement in your digestive system helps move food in your intestines

Question 43

Complete: In order to supply lots of energy to cells, cardiac muscle cells contain many -----------

Answer 43

Mitochondria

Question 44

What is a tendon?

Answer 44

A tendon is the tough strand of tissue that connects a tendon to a bone.

Question 45

COMPLETE When a muscle contracts or shortens ....(what happens)

Answer 45

The attached bones are pulled closer to each other

Question 46

Explain how do muscles work in pairs to move the body.

Answer 46

The flexor contracts and the extensor relaxes to bend a joint. The extensor contracts and the flexor relaxes to straighten a joint. For ex: biceps and triceps

Question 47

A stain is....

Answer 47

A muscle injury in which a muscle is overstretched or torn.

Question 48

What is muscle dystrophy

Answer 48

Its a hereditary disease that causes skeletal muscle to become weaker.