Brainscape's Knowledge GenomeTM

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


See full index

Biology > Mass Transport (Chapter 7) > Flashcards

Mass Transport (Chapter 7) Flashcards

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

What is mass transport?

A

The movement of substances within an organism or between organisms.

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

True or False: Mass transport only occurs in animals.

A

False

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

What is the main transport system in mammals?

A

The circulatory system.

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

Fill in the blank: In humans, oxygen is primarily transported by _____ in the blood.

A

hemoglobin

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

What are the two main types of circulatory systems?

A

Open and closed circulatory systems.

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

Multiple choice: Which of the following is a feature of a closed circulatory system? A) Blood is not contained in vessels B) Blood flows in a loop C) Blood is pumped by a heart

A

C) Blood is pumped by a heart

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

What is the role of the heart in mass transport?

A

To pump blood throughout the body.

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

True or False: The left side of the heart pumps deoxygenated blood.

A

False

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

What are the main components of blood?

A

Red blood cells, white blood cells, plasma, and platelets.

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

Fill in the blank: The _____ circuit carries blood to and from the lungs.

A

pulmonary

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

What is the function of capillaries?

A

To facilitate the exchange of substances between blood and tissues.

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

Multiple choice: Which type of blood vessel carries blood away from the heart? A) Veins B) Arteries C) Capillaries

A

B) Arteries

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

What is the significance of the double circulatory system in mammals?

A

It allows for efficient oxygenation and nutrient delivery.

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

True or False: Veins have thicker walls than arteries.

A

False

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

What is the role of plasma in the blood?

A

To transport nutrients, hormones, and waste products.

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

Fill in the blank: The _____ is the largest artery in the body.

A

aorta

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

What is the function of red blood cells?

A

To transport oxygen from the lungs to the body tissues.

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

Multiple choice: Which component of blood is responsible for clotting? A) Red blood cells B) White blood cells C) Platelets

A

C) Platelets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the function of white blood cells?

A

To defend the body against infection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

True or False: The heart has four chambers.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Fill in the blank: The _____ valves prevent backflow of blood into the atria.

A

atrioventricular

22
Q

What is the role of the sinoatrial node?

A

To act as the natural pacemaker of the heart.

23
Q

Multiple choice: Which part of the heart receives deoxygenated blood? A) Left atrium B) Right atrium C) Aorta

A

B) Right atrium

24
Q

What is the primary gas exchanged in the lungs?

A

Oxygen

25
Q

True or False: Blood pressure is highest in the veins.

A

False

26
Q

Fill in the blank: The _____ system helps in the transport of lymph.

A

lymphatic

27
Q

What is the function of the lymphatic system?

A

To transport lymph and help with immune responses.

28
Q

Multiple choice: Which type of blood vessel has valves to prevent backflow? A) Arteries B) Veins C) Capillaries

A

B) Veins

29
Q

What is the role of the pulmonary veins?

A

To carry oxygenated blood from the lungs to the heart.

30
Q

True or False: The right ventricle pumps blood to the body.

A

False

31
Q

Fill in the blank: The _____ is the muscle layer of the heart.

A

myocardium

32
Q

What is the primary function of the circulatory system?

A

To transport nutrients, gases, hormones, and waste products.

33
Q

Multiple choice: Which blood component is involved in immune response? A) Red blood cells B) Platelets C) White blood cells

A

C) White blood cells

34
Q

What is cardiac output?

A

The volume of blood the heart pumps per minute.

35
Q

True or False: Blood flows in one direction through the heart.

A

True

36
Q

Fill in the blank: The _____ is the pressure exerted by the blood against the walls of blood vessels.

A

blood pressure

37
Q

What is the difference between systolic and diastolic pressure?

A

Systolic pressure is the pressure during heart contraction; diastolic pressure is during relaxation.

38
Q

Multiple choice: What type of circulation involves blood flow through the kidneys? A) Systemic B) Pulmonary C) Renal

A

C) Renal

39
Q

What does the term ‘homeostasis’ refer to?

A

The maintenance of stable internal conditions in an organism.

40
Q

True or False: Oxygen and carbon dioxide are exchanged in the capillaries.

A

True

41
Q

Fill in the blank: The _____ is the outer layer of blood vessels.

A

tunica externa

42
Q

What is the primary role of the heart valves?

A

To ensure unidirectional blood flow.

43
Q

Multiple choice: Which structure prevents backflow of blood into the ventricles? A) Atrioventricular valves B) Semilunar valves C) Both A and B

A

C) Both A and B

44
Q

What is the significance of the aortic arch?

A

It distributes blood to the upper body and head.

45
Q

True or False: The circulatory system is responsible for thermoregulation.

A

True

46
Q

Fill in the blank: The _____ is responsible for the exchange of gases in the lungs.

A

alveoli

47
Q

What is the role of the coronary arteries?

A

To supply blood to the heart muscle itself.

48
Q

Multiple choice: Which type of circulation supplies oxygen to the heart muscle? A) Pulmonary B) Systemic C) Coronary

A

C) Coronary

49
Q

What is the importance of the exchange surfaces in mass transport?

A

To maximize the efficiency of gas and nutrient exchange.

50
Q

True or False: The blood-brain barrier allows all substances to pass into the brain.

A

False

51
Q

Fill in the blank: The _____ is the smallest blood vessel where exchange occurs.

A

capillary

Biology (13 decks)

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