Human Body- Chapter 2- Biology

Question 1

Cardiovascular System-

Answer 1

A collection of organs that transports blood to and from you body cells; the organs in this system include the heart, the arteries and the veins.

Question 2

Blood-

Answer 2

A connective tissue made up of platelets, white blood cells, red blood cells, and plasma.

Question 3

Arteries-

Answer 3

Blood vessels that carry blood away from the heart.

Question 4

Capillaries-

Answer 4

The smallest blood vessels.

Question 5

Veins-

Answer 5

Blood vessels that direct blood to the heart.

Question 6

Pulmonary Circulation-

Answer 6

The circulation of blood between the heart and lungs.

Question 7

Systemic Circulation-

Answer 7

The circulation of blood between the heart and the body (excluding the lungs)

Question 8

Blood Pressure-

Answer 8

The amount of force exerted by blood on the inside walls of a blood vessel.

Question 9

Lymphatic System-

Answer 9

A collection of organs that collect extracellular fluid and return it to the blood; the organs in this system include lymph nodes and the lymphatic vessels.

Question 10

Lymph-

Answer 10

The fluid particles absorbed into lymph capillaries.

Question 11

Lymph Nodes-

Answer 11

Small, bean-shaped organs that contain small fibers that work like nets to remove particles from the lymph.

Question 12

Thymus-

Answer 12

A lymph organ that produces lymphocytes.

Question 13

Spleen-

Answer 13

An organ that filters blood and produces lymphocytes.

Question 14

Tonsils-

Answer 14

Small masses of soft tissue located at the back of the nasal cavity, on the inside of the throat, and at the back of the tongue.