Animal Body Systems
These are the 2 main types of symmetry
What are radial and bilateral symmetry?
This type of protein helps catalyze cellular reactions
What are enzymes?
The epiglottis is important because of this reason
What is the epiglottis folds over the larynx, which leads to the trachea and keeps swallowed food from entering the lungs?
Red blood cells are this color when carrying carbon dioxide
What is bluish?
These are the specific type of blood vessels that carry oxygen rich blood to the heart
What are the pulmonary veins?
When bodies regulate their internal environment to keep it constant
What is homeostasis?
These are the 3 types of nutrients that supply energy to an animal
What are carbohydrates, proteins, and lipids?
These are a (large) group of organisms that mostly have open circulatory systems
What are invertebrates?
These make up 99% of cells in the blood – common name and fancy name
What are red blood cells or erythrocytes?
This is the location of the heart’s natural pacemaker
What is the upper wall of the right atrium?
This type of muscle has voluntary control
What is skeletal muscle?
This energy providing nutrient contains over twice as many calories per weight than the other energy providing nutrients
What are lipids?
This is the ring of muscle tissue that prevents material from the stomach from returning to the esophagus
What is the lower esophageal sphincter?
These are the type of white blood cell recycle old red blood cells
What are macrophages?
This type of valve prevents blood from flowing into the atria when ventricles contract
What are atrioventricular valves?
Aquatic animals are constrained by this while terrestrial animals are constrained by this
What is drag and gravity?
These are the nutrients that can only be obtained through the diet or dissolved in water
What are minerals?
These are the 3 organs that produce and secrete digestive enzymes or bile into the small intestine
What are the liver (gall bladder), pancreas and small intestine?
This is the type of feedback system that regulates the volume of red blood cells in the circulatory system
What is a negative feedback system?
This heart chamber pumps blood through the aorta to the body
What is the left ventricle?
These are the 4 primary types of tissue
What are epithelia, connective, muscle and nerve tissue?
This is the type of solution all chemical reactions in the body take place in (what is the solvent)
What is water?
1.This is what the projections into the lining of the small intestine are called and
2.This is what the hair likeprojections on each epithelial cell are called
3.And this is the reason for these projections
What are:Villi (1), Microvilli (2), & To increase surface area for absorption (3)?
Nutrients and gases are exchanged through this type of blood vessel only
What are capillaries?
This is a measure of the blood pressure ventricle contractions produce
What is the systolic pressure?