Bio 100

The three major types of blood vessels are _______.

The heart contains chambers called the ______.

The chamber of the heart that receives oxygen-rich blood from the pulmonary veins is the ______.

The right side of the heart pumps oxygen-poor blood into the ____ circuit, and the left side of the heart pumps oxygen-rich blood into the _____ circuit.

A recording of the electrical changes that occur in the heart is called a(an) ______.

An exchange of nutrients and wastes takes place across ________

The heart contains chambers called the ______.

The valves that lie between the atria and the ventricles are called the ________ valves.

The atrioventricular valves are supported by strong fibrous strings called ________.

The SA node is found in ________.

Diastolic pressure occurs while the heart ventricles are _______.

The _______ arteries are extremely important because they serve the heart muscle itself.

The blood always has less water concentration compared to tissue fluid because of the presence of ______, whose size prevents passage across the capillary wall.

______________ in the blood help(s) guard the body against invasion by microbes

The main mechanism to prevent loss of blood is ________.

The hormone _________ produced in the kidney stimulates the maturation of more red blood cells.

Stem cells __________.

Forms of white blood cells include _________.

___________ develop(s) when the valves located in veins become weak and ineffective due to the backward pressure of blood.

The right side of the heart pumps oxygen-poor blood into the ____ circuit, and the left side of the heart pumps oxygen-rich blood into the _____ circuit.

These fibers consist of specialized cardiac muscle fibers that efficiently cause the ventricles to contract.

Blood pressure is measured by using a ______.

BODY FLUIDS RELATED TO BLOOD
WHAT ARE THE NAMES?

An arterial wall has three layers including a layer of smooth muscle that can contract to regulate blood flow and blood pressure. Smaller arteries branch into a number of arterioles.

_______join arterioles to venules. They are extremely narrow and have thin walls.

_____ and ____ take blood from the capillary beds to the heart. Veins often have valves that prevent blood from flowing backward when closed.