Week 30 Bio quiz

Place the following steps in order (numbers 1-7) to reflect the correct pathway of blood through the heart.

1 Blood travels through the superior and inferior vena cava and enters the right atrium. 2 Blood flows through the tricuspid valve and enters the right ventricle. 3 Blood flows through the pulmonary valve and into the pulmonary trunk. 4 Bloods enters the pulmonary arteries and travels to the lungs. 5 Blood travels through the pulmonary veins and into the left atrium of the heart. 6 Blood flows through the mitral valve and into the left ventricle. 7 Blood passes through the aortic valve into the left aorta to be distributed through the body.

Approximately how long does it take for blood to make a round trip from the heart, through the body, and back to the heart?

1 minute

What cells are responsible for the transmission of the nerve impulse?

Axon

Which component of blood is responsible for making it a liquid state of matter?

Plasma

Which type of muscle is voluntary?

Skeletal

What is the most common native cell type found in connective tissue

The most common native cell type found in all connective tissues is Fibroblasts.

In 2-3 sentences and in your own words, explain one of the main functions of the skeletal system.

There are many functions of the skeletal system. One of the main functions of the skeletal system is protection for vital organs such as the brain, liver, and heart.

The pharynx is also known as the __________.

Throat

What is the main function of the septum?

To prevent oxygenated and unoxygenated blood from mixing

Name two defenses of the nose that serve as protection from harmful particles.

Two defenses of the nose are firstly the cilia and these are hair-like structures that trap any foreign substance that enters the nose. The second defense is Mucus it is sticky in structure and also aids in trapping anything foreign that should not be in the body.

________ carry blood to the heart and lungs, while _________ carry blood away from the heart.

Veins; arteries

Which type of marrow is involved in the storage and release of minerals and fats?

Yellow

Which type of muscle is only found in the heart?

cardiac

Adipose serves as a source of __________.

energy

What is the largest bone in the human body?

femur

Which muscle types are striated? Choose all that apply.

skeletal and cardiac

Which of the muscle types is the most elastic and is found in the walls of organs throughout the body?

smooth

Which type of cell fights infection?

white blood cells