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Science > Unit 7 Review > Flashcards

Unit 7 Review Flashcards

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Biology 101 flashcards
1
Q

The skeletal system has three main jobs: support, movement and ….

A

Protection of internal organs

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2
Q

Which system is made up of bones, cartilage, tendons, and ligaments?

A

Skeletal system

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3
Q

What type of skeletal tissue covers the ends of bones to keep them from rubbing against each other as the body moves?

A

Cartilage

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4
Q

The bones of your skeleton meet at ….

A

Joints

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5
Q

Bones are held together at joints, like your wrist, by stretchy tissue called …

A

Ligaments

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6
Q

A band of tough tissue that connects a muscle to a bone is called a …

A

Tendons

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7
Q

True or False

Cells form tissues, tissues form organs, organs form body systems, and systems work together to make up the human body.

A

True

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8
Q

Name the type of joint where your shoulder and upper arm meet.
Describe how it moves

A

The upper arm and shoulder meet at a ball-and-socket joint. This allows the arm to swing in a cirdle

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9
Q

Your upper and lower leg meet at a joint called the knee.

Name this type of joint and describe how it moves

A

The upper and lower leg meet at a hinge joint. which allows the bones to move backward and forward in only one direction

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10
Q

The top of your spine and the bottom of your head meet at a joint.
Name this type of joint and describe how it moves when you shake your head to tell someone “No”

A

This joint is called a pivot joint.

It allows the head to move in a circular path like a swivel chair

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11
Q

Which of your body systems is made up of bones that all fit together to give you shape and help you stand tall?

A

Skeletal system

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12
Q

What bones curve around your chest to protect your heart and lungs?

A

Ribs

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13
Q

As a baby grows, cartilage ….

A

is replaced by bone

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14
Q

What function does the skull serve for the skeleton

A

Protection

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15
Q

True or False

The phalanges of the hands and feet help the skeleton move

A

True

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16
Q

Which bone provides mostly support for the skeleton?

a) femur
b) skull
c) clavicle
d) sternum

A

femur

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17
Q

Your vertebrae, or backbone, run along your back from the base of your skull to below your waist. The shape of each vertebra can best be described as :

A

irregular

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18
Q

Your femur is a bone that starts at your pelvis and ends at your knee. Its shape can best be described as:

A

Long

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19
Q

Name bones which function is to support

A 
Vertebra
Femur
Ribs
Pelvis
Tibia
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20
Q

Name bones which function is to protect

A

Skull
Ribs
Patellas
Spinal Vertebra

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21
Q

Name bones which function is to help movement

A 
Carpals
(Legs):
- Feet Phalanges
- Femur
- Fibula
- Tibia

(Arms):

  • Hand Phalanges
  • Umerus
  • Radius
  • Ulna
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22
Q

What are three types of joints?

A
  • Ball-in-sock joint (moves in all directions, circle)
  • Hinge joint (moves backward and forward)
  • Pivot joint (moves in a circular path)
23
Q

There are two types of bone tissue compact and …

A

Spongy

24
Q

How does the structure of bones make bones both strong and light?

A

They are hard on the outside and hollow in the middle

25
Q

Red marrow is located in the cavities of spongy bone. What job does red marrow do?

A

Forms blood cells

26
Q

Yellow marrow is located in the hollow section of long bones of adults, and is surrounded by compact bone. What job does yellow marrow do?

A

Stores fat

27
Q

True or False

Bones are made up of various types of cells, blood vessels, nerves, and minerals.

A

True

28
Q

True or False

Voluntary muscles move when you want them to, while involuntary muscles move automatically?

A

True

29
Q

What is the function of cardiac muscle?

A

It moves blood through the body, since it makes the heart.

30
Q

What is the function of skeletal muscle?

A

It pulls on bones to make joints move.

31
Q

What is the function of smooth muscle?

A

It can keep the digestive system working.

32
Q

Are skeletal muscles voluntary or involuntary?

A

Voluntary

33
Q

Would you say smooth muscles are voluntary or involuntary?

A

Involuntary

34
Q

What are some voluntary muscles?

A

arm, leg, mouth, neck

35
Q

What are some involuntary muscles?

A

heart and digestive system

36
Q

The muscles that pull on your bones to make your joints move are called….

A

skeletal muscles

37
Q

The muscles found in the walls of your stomach, intestines, and blood vessels are called….

A

smooth muscles

38
Q

Your heart is made out of….

A

cardiac muscles

39
Q

Which are voluntary muscles?

A

skeletal muscles are voluntary

40
Q

Which are involuntary muscles?

A

smooth and cardiac muscles

41
Q

Which muscle is a flexor when you ben your elbow?

Biceps (top) or triceps (bottom)

A

Biceps

42
Q

Which muscle is an extender when you ben your elbow?

Biceps (top) or triceps (bottom)

A

Triceps

43
Q

How must the skeletal muscles work to move a limb

A

in pairs

44
Q

How do the biceps and triceps act?

A

The biceps contracts to bend the elbow as the triceps relaxes

45
Q

True or False

Muscles work in pairs to move your body by contracting

A

True

46
Q

What happens to the length of a muscle when the muscle contracts?

A

It gets shorter

47
Q

What is called the top layer of the skin?

A

epidermis

48
Q

How do you call the layer under the epidermis?

A

Dermis

49
Q

Which system includes the hair and the nails?

A

skin system

50
Q

What is the body’s largest organ?

A

skin

51
Q

What are the main functions of the skin?

A
  • keeping the body’s internal temperature constant
  • protecting against infection
  • sensing the environment
52
Q

True or false

The epidermis is composed of overlapping cells that forms a tough barrier from germs and protects the body

A

true

53
Q

What are some characteristics of the dermis?

A
  • It contains sweat glands and oil glands
  • It contains blood vessels
  • It has nerves

Science (11 decks)

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