202 Science Exam Guide B1P1

Science Exam Guide

Science Exam B1P1

What’s Around Our Cells?

Session 1
Page 20

Multiple Choice

What is the main function of the circulatory system in the human body?

• a) To maintain fluid balance

• b) To distribute oxygen to cells

• c) To absorb fat from the small intestine

• d) To support the immune system against infection

Multiple Choice

What does the lymphatic system transport?

• a) Blood

• b) Oxygen

• c) Almost colorless fluid called lymph

• d) Metabolic waste from cells

Multiple Choice

What is the purpose of the lymphatic system in maintaining fluid balance?

• a) It transports glucose to cells

• b) It collects oxygen from tissues

• c) It absorbs excess fluid from tissues into the bloodstream

• d) It removes waste products from the bloodstream

Multiple Choice

How is homeostasis defined in the context of the text?

• a) Maintaining balance in the internal environment

• b) Absorbing excess fluid from tissues

• c) Transporting oxygen to cells

• d) Supporting the immune system

Multiple Choice

What is left behind in the tissues when interstitial fluid leaks from the bloodstream?

• a) Oxygen, glucose, and amino acids

• b) Blood cells

• c) Metabolic waste products

• d) Fat from the small intestine

Multiple Choice

What is the role of the circulatory system with regard to metabolic waste products?

• a) It collects and removes waste products from cells

• b) It distributes waste products to cells

• c) It absorbs excess fluid from tissues

• d) It transports fat from the small intestine

Multiple Choice

The circulatory system is composed of two main components. What are they?

• a) Oxygen and nutrients

• b) Blood and the lymphatic system

• c) Metabolic waste and interstitial fluid

• d) Glucose and amino acids

Multiple Choice

What is the primary function of the lymphatic system in supporting the immune system?

• a) Distributing oxygen to cells

• b) Supplying disease-fighting cells

• c) Collecting metabolic waste products

• d) Transporting glucose to the small intestine

Why Does Your Throat Hurt?

Session 2
Page 22

Dropdown

a disease caused by a bacteria or a virus​ ​

Select answer

It is a tube that carries liquids through the body.​ ​

Select answer

It is a very small living thing.​

Select answer

an organ in the body that secretes chemicals​

Select answer

a natural swelling of a structure or part in the body​

Select answer

Open Ended

Why do doctors check your throat and feel around your neck when you're sick?

Open Ended

What do lymph nodes look like, and where can you find them in your body?

Open Ended

What is the main function of lymph nodes?

Open Ended

How does the lymphatic system help with the body's defense against infections?

Open Ended

What are lymph capillaries, and where are they found?

Open Ended

How is the flow of lymph in the body maintained in one direction?

Labelling

Find the lymph nodes, lymph capillaries, and lymph vessels.

Drag labels to their correct position on the image

lymph nodes

lymph vessels

lymph capillaries

Why Is Our Blood Red?

Session 3
Page 24

Multiple Choice

What is the primary function of red blood cells?

• a) Transporting oxygen

• b) Protecting against infections

• c) Forming blood clots

• d) Carrying waste products

Multiple Choice

What makes up more than half of your blood and contains nutrients, proteins, hormones, and waste products?

• a) Red blood cells

• b) White blood cells

• c) Plasma

• d) Platelets

Multiple Choice

Which type of blood cell helps to protect the body against infections and foreign substances?

• 3. a) Red blood cells

• 3. b) White blood cells

• 3. c) Platelets

• 3. d) Plasma

Multiple Choice

What do platelets in the blood help to do?

• 3. a) Transport oxygen

• 3. b) Protect against infections

• 3. c) Form blood clots

• 3. d) Carry waste products

Multiple Choice

What is the function of hemoglobin in red blood cells

• 3. a) To help blood clot

• 3. b) To transport oxygen

• 3. c) To protect against infections

• 3. d) To carry waste products

Labelling

Label the composition of blood

Drag labels to their correct position on the image

plasma

platelets

white blood cells

red blood cells

Are All Veins the Same?

Session 4
Page 26

Multiple Choice

What are the three main types of blood vessels in the circulatory system mentioned in the text?

• a) Arteries, veins, and capillaries

• b) Arteries, lymphatics, and venules

• c) Capillaries, arteries, and ducts

• d) Arteries, veins, and valves

Multiple Choice

Which type of blood vessel carries blood away from the heart?

• a) Arteries

• b) Veins

• c) Capillaries

• d) Venules

Multiple Choice

What is the primary function of veins in the circulatory system, as mentioned in the text?

• a) To carry blood rich in oxygen and nutrients

• b) To connect arteries and capillaries

• c) To prevent blood from flowing backward with the help of valves

• d) To exchange gases, nutrients, and waste with cells

Multiple Choice

What distinguishes arteries from veins, as mentioned in the text?

• 4. a) Arteries have thick and elastic walls, while veins have thin and non-elastic walls.

• 4. b) Arteries carry blood from organs to the heart, while veins carry blood away from the heart.

• 4. c) Arteries have capillary endothelium, while veins have valves.

• 4. d) Arteries are tiny, while veins are big and thick.

How Does the Heart Work?

Session 5
Page 28

Multiple Choice

The myocardium is the part of the heart responsible for pumping blood.

• True

• False

Multiple Choice

True or False: The heart is located to the right of the lungs.

• True

• False

Multiple Choice

True or False: The heart has two atria at the top and two ventricles below them.

• True

• False

Multiple Choice

True or False: Chambers on the same side of the heart are not connected.

• True

• False

Multiple Choice

True or False: The tricuspid valve opens to prevent the blood from flowing backward.

• True

• False

Multiple Choice

True or False: The cardiac cycle consists of atrial systole, ventricular systole, and diastole.

• True

• False

Multiple Choice

True or False: During ventricular systole, both ventricles relax.

• True

• False

Multiple Choice

True or False: The cardiac cycle produces sounds due to the opening and closing of the four heart valves.

• True

• False

Multiple Choice

Which one is diastole?

• pumping

• filling

How Does Blood Get Oxygen?

Session 6
Page 30

Multiple Choice

What is the primary purpose of the heart's double circulatory system?

• a) To flow oxygenated blood away from the cells

• b) To transport deoxygenated blood to the cells

• c) To allow oxygen to enter the blood

• d) To ensure nutrients reach every part of the body

Multiple Choice

In the process of oxygenation, what is the systemic system responsible for?

• a) Transporting blood to the lungs

• b) Pumping blood to the body's organs and tissues

• c) Allowing carbon dioxide to leave the blood

• d) Taking blood from the aorta to the pulmonary artery

Multiple Choice

What is the function of the alveoli in the lungs?

• a) To transport oxygenated blood to the left atrium

• b) To transport oxygenated blood to the aorta

• c) To allow oxygen to enter the blood and carbon dioxide to leave

• d) To pump deoxygenated blood to the pulmonary vein

Multiple Choice

After passing through the left ventricle, where does oxygenated blood go next?

• a) It returns to the right atrium

• b) It travels through the pulmonary artery

• c) It reaches the aorta to be pumped to the rest of the body

• d) It is transported to the alveoli in the lungs

Multiple Choice

How do nutrients and oxygen reach every part of the body?

• a) Through the right ventricle

• b) Through the pulmonary artery

• c) Via the systemic system and capillaries

• d) Via the superior and inferior vena cava

Labelling

Label the parts of the hearts

Drag labels to their correct position on the image

left atrium

superior vena cava

pulmonary artery

pulmonary vein

left ventricle

pulmonary valve

right atrium

tricuspid valve

aorta

mitral valve