Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science > Unit 2 - Body Systems > Flashcards

Unit 2 - Body Systems Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is the function of osteoblasts in the body.

A

They provide structure and support

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How is homeostasis achieved?

A

Cells maintain internal stability.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How are muscle cells and bone cells similar?

A

Both make it possible for you to respond to your environment by moving.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which of the following is one characteristic of all living things?

A. Using nerve cells to maintain temperature

B. Sending cells to deliver messages in the body

C. Maintaining homeostasis

D. Moving from place to place

A

C. Maintaining homeostasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the function of an organ system?

A

To work together to do a specific job

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which option is a main type of muscle tissue?

A. Spongy bone

B. Skin

C. Blood vessels

D. Cardiac

A

D. Cardiac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which list is an organ system?

A. The heart, arteries, and veins

B. The liver, blood, and skin

C. The heart, the stomach, and intestines

D. The liver, the bladder, and the heart

A

A. The heart, arteries, and veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which is most complex?

A. Organ system

B. Tissues

C. Organs

D. Cells

A

A. Organ system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What function do the alveoli perform?

A

The alveoli exchange oxygen in the air for carbon dioxide in the blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which organ of the respiratory system is located inside the lungs?

A

Bronchioles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A patient has low blood oxygen levels, although the patient’s blood is circulating properly. Which is most likely functioning improperly?

A. The capillaries

B. The pulmonary vein

C. The aorta

D. The alveoli

A

D. The alveoli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the function of the vena cava?

A

It carries deoxygenated blood from the body to the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which organ in the excretory system filters blood?

A

Kidney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is amylase?

A

An enzyme that breaks down food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is urea?

A

The waste removed by the kidney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which organ in the digestive system has a function that is most similar the function of the bladder in the excretory system?

A

Large intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is a dendrite?

A

It is the part of a neuron that carries information to the cell body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the term for changes in the internal or external environment that cause a response?

A

Stimuli

19
Q

How do signals from sensory neurons reach motor neurons?

A

Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons

20
Q

What part of the nervous system is completely protected by bone?

A

Central nervous system

21
Q

You see a mosquito land on your hand and swat at it. A signal passes through many parts of different neurons to make this happen. Which component of the nervous system is the last to be involved in this process?

A. Dendrites in sensory neurons

B. Dendrites in motor neurons

C. Axons in sensory neurons

D. Axons in motor neurons

A

D. Axons in motor neurons

22
Q

Which sensory receptors are involved in hearing?

A. Photoreceptors

B. Mechanoreceptors

C. Chemoreceptors

D. Thermoreceptors

A

B. Mechanoreceptors

23
Q

The eye is an organ of which major body system?

A. Integumentary

B. Nervous

C. Skeletal

D. Muscular

A

B. Nervous

24
Q

Which statement best describes the purpose of the eye?

A. The eye lets in varying amounts of light

B. The eye receives and processes visual signals

C. The eye sends images to the brain

D. The eye takes in and responds to stimuli

A

B. The eye sends images to the brain

25
Q

What is the purpose of photoreceptors?

A

They change light to electrical signals

26
Q

What organizational level is the eye?

A

Organ

27
Q

Many parts of the eye work to focus or control light except the __________

A

Many parts of the eye work to focus or control light except the retina

28
Q

How does the human body prevent internal energy levels from becoming too low?

A

The digestive system transmits feelings of hunger to the brain, which initiates eating.

29
Q

How does a marine iguana maintain homeostasis despite ingesting large amounts of salt with its food?

A. Marine iguanas throw up large amounts of salt

B. Marine iguanas sweat a lot to get rid of the extra salt

C. Marine iguanas sneeze excess salt out of their bodies.

D. Marine iguanas pass large amounts of salt through their urine

A

C. Marine iguanas sneeze excess salt out of their bodies.

30
Q

How does the body react to cold temperatures?

A

Your body shivers to help it maintain homeostasis

31
Q

Which statement describes homeostasis?

A. It is how an organism reacts to external factors

B. It is a process of maintaining an external state of balance for an organism

C. It is how an organism reacts to internal factors

D. It is how an organism reacts to internal factors

A

D. It is how an organism reacts to internal factors

32
Q

What type of specialized cells send and receive messages in the brain?

A

Neurons

33
Q

Lungs expel waste from the body in the form of __________

A

Lungs expel waste from the body in the form of carbon dioxide

34
Q

Which option is single celled?

A. An artery

B. A kidney

C. A human

D. A bacterium

A

D. A bacterium

35
Q

Which vessel carries oxygenated blood to the heart?

A. Pulmonary vein

B. Vena cava

C. Aorta

D. Pulmonary artery

A

A. Pulmonary vein

36
Q

A patient has a condition that makes it difficult to absorb nutrients from food. Which organ is most likely affected by the condition?

A

Small intestine

37
Q

When you experience changes in light, sound, and temperature, which cells send signals toward the central nervous system?

A

Sensory neurons

38
Q

Which component can only be found in the peripheral nervous system?

A. Dendrites

B. Spinal cord

C. Sensory neurons

D. Axons

A

C. Sensory neurons

39
Q

Which sensory receptors would allow you to tell the difference between sweet and sour?

A

Chemoreceptors

40
Q

A patient is unable to tell the difference between red and green. Which receptors are probably not functioning properly in the patient?

A

Cones

41
Q

Most of the inside of the eye is known as the vitreous body. It is made primarily of vitrosin, a form of collagen. Collagen helps make up tendons, skin, and ligaments. This implies that, by volume, the eye is mostly made of what type of tissue?

A

Connective tissue

42
Q

Which body system is responsible for sending signals that your body is not in homeostasis?

A

The nervous system

43
Q

Which statement correctly describes how we maintain homeostasis when we are tired?

A. Our muscles send us a signal to stop moving

B. Our nervous system stops moving muscles

C. Our nervous system sends us a signal to rest.

D. Our muscles weaken and move slowly.

A

C. Our nervous system sends us a signal to rest.

Science (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions