Excretory & Immune system quizlet

What filters the kidneys, and Produce urine?

Nephrons

What are Lymph Nodes?

each of a number of small swellings in the lymphatic system where lymph is filtered and lymphocytes are formed.

What are Lymphatic vessels?

lymphatic vessels or lymph vessels are thin walled, valved structures that carry lymph around the body.

Urethra's are (besides a really hard name to pronounce)

tube that carries urine from the bladder out of the body

What are the Ureters?

tubes that lead from each kidney to the bladder.

Where is urine stored until the body is ready to eliminate it?

Bladder

What is Bones Marrow?

Bone marrow is found inside many bones. It produces lymphocytes.

Which is NOT a function of the excretory system? A. Removes wastes from the blood B. Removes excessive water from the blood C. Removes carbon dioxide from the blood D. Removes excess salt from the blood

C. Removes carbon dioxide from the blood

True or False? The Thymus is located near the stomach

False

What are the Organs of the Excretory System?

Kidneys, Ureters, Urinary Bladder, & the Urethra

Human bodies filter waste to...

Maintain homestasis, Remove harmful materials, & Removes excess fluids, chemicals, minerals, vitamins, salts, and other wastes from the blood.

What is the purpose of the Excretory System

Rids blood of waste (urea), Controls blood volume by removing extra water produced by cells, Balances salt and water so cells can function properly.

What are some extra Excretory system Organs?

Skin, & the Lungs

What is the Appendix?

The Appendix is a tube-shaped sac attached to and opening into the lower end of the large intestine in humans

Where is & What is the Thymus?

The thymus is located in the upper chest behind the breast bone. It stores and matures lymphocytes.

True or False? The Spleen is higher up in the body than the Appendix

True

A Muscular Organ that holds Urine is the...

Urinary bladder

what are the colors of the Vena Cava/ Aorta?

Vena Cava: Blue Aorta: Red

What are Lymphs?

a colorless fluid containing white blood cells that bathes the tissues and drains through the lymphatic system into the bloodstream.

What do the kidneys do?

filter blood that has collected wastes from cells.

What does the Spleen do?

filters pathogens and worn out red blood cells from the blood, and then lymphocytes in the spleen destroy them.

What are Peyer's patches?

the numerous areas of lymphoid tissue in the wall of the small intestine that are involved in the development of immunity to antigens present there.