Circulatory System: Blood and Blood Vessels

The circulatory system, comprised of the heart and ______, is responsible for transporting substances throughout the body.

[Blank] is the fluid that flows in ______ vessels, transporting digested food, oxygen, and waste throughout the body.

The red pigment called ______ in red blood cells binds with oxygen and transports it to all parts of the body.

[Blank] in the blood are responsible for fighting against germs and pathogens that may enter the body, protecting it from infection.

[Blank] are the type of cells in the blood responsible for forming clots to stop bleeding when an injury occurs.

During inhalation, a fresh supply of ______ fills the lungs, which must then be transported to the rest of the body via the blood.

Blood picks up waste materials, including ______, from the cells, which is then transported back to the lungs for removal from the body.

Digested food is transported from the small intestine to other parts of the body via the ______.

The partition between the chambers of the heart is crucial because it prevents the ______ of oxygen-rich and carbon dioxide-rich blood, ensuring efficient oxygen delivery to the body.

The rhythmic contraction and relaxation of the heart muscles constitute a ______, which can be felt by placing your hand on the left side of your chest.

A doctor uses a ______ to amplify the sounds of the heart, aiding in the diagnosis of potential heart conditions.

If the blood rich in oxygen and the blood rich in carbon dioxide mix with each other it would reduce the ______ of oxygen delivered to the body's cells.

When constructing a model stethoscope, a rubber sheet or balloon is stretched over a funnel to act as a sensitive ______ to capture and amplify heart sounds.

The heart has four chambers, with the two upper chambers called the ______ and the two lower chambers called the ventricles.

The walls of the chambers of the heart are made up of ______ that contract and relax rhythmically to pump blood.

The arrows in a diagram of the circulatory system indicate the ______ of blood flow from the heart to the lungs and the rest of the body.

The two main types of blood vessels in the body are ______ and veins.

Since the blood flow is rapid and at a high pressure, the ______ have thick elastic walls.

The throbbing felt on the inner side of the wrist is called the ______ and is due to the blood flowing in the arteries.

A resting person typically has a ______ rate between 72 and 80 beats per minute.

[Blank] are the vessels that carry carbon dioxide-rich blood from all parts of the body back to the heart.

The ______ artery carries carbon dioxide-rich blood from the heart to the lungs.

The arteries divide into smaller vessels, which further divide into extremely thin tubes called ______ when reaching the tissues.

The heart is located in the chest cavity with its lower tip slightly tilted towards the ______.

The formation of white patches on clothes during summer is due to ______ present in sweat.

Aquatic animals like fish excrete cell waste as ______, which directly dissolves in water.

Birds, lizards, and snakes excrete waste as a semi-solid, white-colored compound known as ______.

When a person's kidneys stop working, a process called ______ is used to filter their blood periodically through an artificial kidney.

During photosynthesis, leaves use water and ______ to prepare food for the plant.

Every cell of an organism gets energy by the breakdown of ______, which is utilized to carry out vital activities.

Plants absorb water and minerals from the soil through the roots, which have ______ to increase the surface area for absorption.

Plants have pipe-like vessels made of special cells forming the ______ to transport water and nutrients from the soil.

The vascular tissue responsible for transporting water and nutrients in plants is called the ______.

The process by which leaves synthesize food necessitates the transportation of this food to all parts of the plant via the vascular tissue known as the ______.

Plants release substantial amounts of water into the atmosphere through the process of ______.

The evaporation of water from leaves during transpiration generates a ______ pull, which facilitates the upward movement of water in tall trees.

Besides transporting water, transpiration also ______ the plant.

Each heartbeat generates one ______ in the arteries, indicating the rate of heart beat.

The rhythmic beating of the heart's chambers maintains blood ______ and transports substances to different body parts.

Animals like sponges and Hydra lack a circulatory system; instead, they rely on ______ to bring food and oxygen.

The process of removing waste products produced in the cells of living organisms is called ______.

In the excretory system, blood capillaries in the ______ filter the blood to remove waste.

From the kidneys, urine travels through tube-like ______ to the urinary bladder.

Urine is stored in the ______ before being passed out through the urethra.

The ______, ureters, bladder, and urethra collectively form the excretory system.