Human Circulatory System Quiz

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Which type of blood cell is primarily responsible for oxygen transport?

Plasma
Erythrocytes (correct)
Leukocytes
Platelets

Arteries carry blood towards the heart.

False (B)

What process allows substances to move in and out of unicellular organisms?

Diffusion (correct)
Osmosis
Active transport
Photosynthesis

In simple multicellular organisms like Hydra, blood vessels are responsible for transporting nutrients and oxygen.

False (B) Signup and view all the answers

What is the main function of leukocytes?

Fighting infections Signup and view all the answers

What are the three main components of the human circulatory system?

Blood, blood vessels, and the heart Signup and view all the answers

The smallest blood vessels that connect arteries and veins are called ______.

capillaries Signup and view all the answers

The movement of molecules from a region of higher concentration to a region of lower concentration is called ______.

diffusion Signup and view all the answers

Match the blood vessel type with its description:

Arteries = Carry blood away from the heart Veins = Carry blood back to the heart Capillaries = Connect arteries and veins to allow material exchange Signup and view all the answers

Match the organism with its method of material transport:

Unicellular Organisms = Diffusion and cytoplasmic streaming Simple Multicellular Organisms = Water entering the body Higher Animals = Circulatory system Signup and view all the answers

What is the primary function of the lungs?

Gas exchange (C) Signup and view all the answers

Blood flows under low pressure in the heart.

False (B) Signup and view all the answers

Where are the lungs located in the body?

thorax Signup and view all the answers

The heart contains ________ to control blood flow.

valves Signup and view all the answers

Match the organ with its description:

Lungs = Located under the ribs Heart = Located under the skin in the thorax Arteries = Oxygenated blood flows through them Blood = Does not mix with oxygenated blood in the heart Signup and view all the answers

What is the primary purpose of a stethoscope?

To listen to sounds within the body (A) Signup and view all the answers

The sphygmomanometer is used to listen to the heart.

False (B) Signup and view all the answers

What is the typical blood pressure of a healthy person?

120/80 mm of Hg Signup and view all the answers

The throbbing movement of blood through arteries is called a ______.

pulse Signup and view all the answers

Match the following components with their function in a model stethoscope:

Funnel = Collects sounds Rubber tube = Transmits sounds Rubber sheet = Amplifies sounds Signup and view all the answers

What is the primary function of sweat glands in the skin?

To regulate body temperature and remove excess water (B) Signup and view all the answers

Dialysis is a procedure that helps the kidneys function better.

False (B) Signup and view all the answers

Name one symptom of kidney failure.

Imbalance in water levels/Build-up of waste products Signup and view all the answers

A medical process used to remove waste from the blood when kidneys fail is called ______.

dialysis Signup and view all the answers

Match the following treatments with their descriptions:

Dialysis = Removes waste product using a machine Kidney Transplant = Replaces damaged kidneys with healthy ones Signup and view all the answers

What term relates to the number of times a pulse occurs in a given timeframe?

Pulse rate (A) Signup and view all the answers

The provided text clearly describes the instrument being used to measure the pulse.

False (B) Signup and view all the answers

What geographical reference is mentioned but not fully explained in the context of the pulse?

Bow of Sindh Signup and view all the answers

The text refers to the measurement of a ______, although details are unclear.

pulse Signup and view all the answers

Match the concepts with their descriptions based on the provided text:

Pulse rate = Number of pulse occurrences per unit time Bow of Sindh = Geographical reference related to the pulse, but undefined Incomplete text = Lacking a full explanation of the instrument Signup and view all the answers

What is the primary excretory product of ammonotelic animals?

Ammonia (C) Signup and view all the answers

Ureters directly filter waste from the blood.

False (B) Signup and view all the answers

What is the main function of the kidneys in human beings?

To filter waste from the blood and maintain water and mineral balance. Signup and view all the answers

Animals that excrete uric acid, such as snakes, are called ______ animals.

uricotelic Signup and view all the answers

Match the term with the animals that excrete it:

Ammonotelic = Amoeba Uricotelic = Snakes Ureotelic = Human beings Signup and view all the answers

In the sap conduction experiment, what happens to the leaves of the shoot when the xylem is removed?

They wilt. (C) Signup and view all the answers

The phloem is responsible for the conduction of water and minerals in plants.

False (B) Signup and view all the answers

What is the aim of the sap conduction experiment?

To prove that the conduction of sap occurs through the xylem. Signup and view all the answers

In the osmosis demonstration, the potato is placed in a beaker of ____.

water Signup and view all the answers

Match the plant part with its function in the experiments:

Xylem = Transports water and minerals Phloem = Transports sugars Leaves = Show turgor or wilting based on water transport Potato = Used in osmosis demonstration Signup and view all the answers

What structures in the roots increase the surface area for water and mineral absorption?

Root hairs (C) Signup and view all the answers

The ascent of sap refers to the downward movement of water through the xylem.

False (B) Signup and view all the answers

What two properties of water facilitate the transport of water in plants?

Cohesion and adhesion Signup and view all the answers

Water and dissolved minerals are transported from the roots to the leaves through the ______.

xylem Signup and view all the answers

Match the process or property related to water transport in plants:

Cohesion = Attraction between water molecules Adhesion = Attraction between water molecules and xylem walls Capillary action = Movement of water through narrow tubes against gravity Signup and view all the answers

Based on the diagrams, which of the following best describes the interaction between the heart and lungs?

The heart pumps blood to the lungs for oxygenation, then receives oxygenated blood from the lungs. (B) Signup and view all the answers

The diagrams focus only on the respiratory system, without illustrating connections to the circulatory system.

False (B) Signup and view all the answers

What is the primary role of the lungs in the context of the circulatory system as shown in the diagrams?

Oxygenate blood Signup and view all the answers

The heart is depicted with ______ chambers in the circulatory system diagrams.

four Signup and view all the answers

Match the following components with their functions based on how they’re depicted in the diagrams:

Heart = Pumps blood throughout the circulatory system Lungs = Facilitate gas exchange with the blood Blood Vessels = Transport blood to and from body parts and lungs Circulatory System = Transportation system for oxygen and other nutrients Signup and view all the answers

Red Blood Cells (RBC)

Red blood cells, responsible for carrying oxygen throughout the body.

White Blood Cells (WBC)

White blood cells, responsible for fighting infections in the body.