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Vert Lecture 15 Review
BIO 434 Exam 3
20
Anatomy
Undergraduate 4
11/20/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Circulatory System
Definition

Transport Gases, adjust pressure, dissipate heat, carry nutrients, transport hormones, transport waste, assist in immunity and defense.

 

Cardiovascular/Lymphatic

Term
Cardiovascular
Definition
Heart, vessel, blood
Term
Lymphatic
Definition
Lymph transport, prevents edema, fights infection.
Term
Vitelline Veins
Definition
Ventral veins, first to form from the mesenchyme around the yolk sac.
Term
Blood flow in the heart
Definition
Sinus Venosus, Atrium, Ventricle, Bulbus Cordis
Term
Blood components
Definition

RBC (erythrocytes), WBC (leukocytes), platelets (thrombocytes) and plasma (55%).

 

Connective tissue.

Term
Plasma
Definition
92% H2O, 8% Ions, salts, organic compounds.
Term
RBCs
Definition

contain hemoglobin to carry O2.

Have nuclei (except mammals).
Live 3-4 mos. 

Term
WBCs
Definition
Defend against infection.
Term
Platelets
Definition
Responsible for clotting.
Term
Arteries
Definition

Thickest.

Take blood away from the heart.

Oxygenated (except for the pulmonary artery)

Term
Capillaries
Definition

Thinnest.

Material exchange in blood.

Term
Veins
Definition

Carry blood to the heart.

Typically deoxygenated (except pulmonary vein).

Term
Blood pressure
Definition

Highest in arteries.

Systole: Contraction

Diastole: Relaxed

Term
Arteries vs. Veins
Definition

Both have:

3 layered walls

Smooth muscle

 

Arteries have:

large amounts of elastic fibers.

Systole and Diastole pressure.

 

Veins have:

Internal valves to ensure one way flow.

Term
Precapillary sphincter
Definition
Smooth muscle that adjusts flow to match activity so that blood gets to active organs.
Term
Single Circulation
Definition

Blood goes through the heart once per circuit.

Fish.

Term
Double Circulation
Definition

Blood goes through heart twice per circuit.

Extra pulmonary circuit.

Tetrapods.

Term
Systole
Definition
Contraction Pressure
Term
Diastole
Definition
Relaxed Pressure
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