mass transport in animals

Question 1

What is mass transport in animals?

Answer 1

The movement of substances, such as oxygen and nutrients, throughout the body via the circulatory system.

Question 2

True or False: The heart is responsible for pumping blood in the mass transport system.

Answer 2

True

Question 3

Fill in the blank: The main components of the circulatory system are the heart, __________, and blood.

Answer 3

blood vessels

Question 4

What are the two main types of circulatory systems in animals?

Answer 4

Open circulatory system and closed circulatory system.

Question 5

In which type of circulatory system does blood not always remain within blood vessels?

Answer 5

Open circulatory system.

Question 6

What is the primary function of red blood cells?

Answer 6

To transport oxygen from the lungs to the body tissues.

Question 7

What is the role of hemoglobin in blood?

Answer 7

Hemoglobin binds to oxygen in the lungs and releases it in the tissues.

Question 8

Multiple Choice: Which of the following is NOT a component of blood? A) Plasma B) White blood cells C) Neurons D) Red blood cells

Answer 8

C) Neurons

Question 9

True or False: Arteries carry blood away from the heart.

Answer 9

True

Question 10

What type of blood vessel is responsible for gas exchange?

Answer 10

Capillaries

Question 11

Fill in the blank: The __________ system is responsible for transporting hormones in the body.

Answer 11

endocrine

Question 12

What is the main difference between veins and arteries?

Answer 12

Veins carry blood towards the heart, while arteries carry blood away from the heart.

Question 13

Multiple Choice: Which structure prevents backflow of blood in the heart? A) Valves B) Atria C) Ventricles D) Septum

Answer 13

A) Valves

Question 14

What is cardiac output?

Answer 14

The volume of blood the heart pumps per minute.

Question 15

True or False: The pulmonary circulation carries deoxygenated blood to the lungs.

Answer 15

True

Question 16

What is the term for the pressure exerted by circulating blood on the walls of blood vessels?

Answer 16

Blood pressure

Question 17

Fill in the blank: The __________ circuit transports oxygenated blood from the heart to the body.

Answer 17

systemic

Question 18

What is the primary purpose of the lymphatic system?

Answer 18

To return excess tissue fluid to the circulatory system and to play a role in immune response.

Question 19

Multiple Choice: Which of the following is a function of plasma? A) Transporting nutrients B) Carrying oxygen C) Fighting infections D) Clotting blood

Answer 19

A) Transporting nutrients

Question 20

True or False: Capillaries have thick walls to withstand high pressure.

Answer 20

False

Question 21

What is the role of platelets in blood?

Answer 21

To assist in blood clotting.

Question 22

Fill in the blank: The __________ node is known as the natural pacemaker of the heart.

Answer 22

sinoatrial

Question 23

What effect does exercise have on heart rate?

Answer 23

Exercise increases heart rate to supply more oxygen to muscles.

Question 24

Multiple Choice: Which condition is characterized by the narrowing of arteries? A) Atherosclerosis B) Hemophilia C) Hypertension D) Anemia

Answer 24

A) Atherosclerosis

Question 25

True or False: Oxygen is primarily transported dissolved in plasma.

Answer 25

False

Question 26

What is the primary function of the aorta?

Answer 26

To carry oxygenated blood from the heart to the rest of the body.