Classification

question 58

Multiple Choice

Classification. Respond to the following statements in reference to the five animal phyla listed below.
-Tapeworms are members of this phylum.

• A)Porifera
• B)Cnidaria
• C)Platyhelminthes
• D)Nematoda
• E)Annelida

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Definitions:

Blood Capillary

The smallest blood vessels in the body, connecting arterioles to venules and facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.

Vena Cava

Large systemic vein that returns blood to the right atrium of the heart in tetrapods; either the superior or inferior vena cava.

Antihistamine

A type of medication that blocks histamine receptors and is used to treat allergic reactions by reducing symptoms like nasal congestion, sneezing, or itching.

Histamine

Substance, produced by basophils in blood and mast cells in connective tissue, that causes capillaries to dilate.