Characteristics
To survive organisms must acquire _________ and remove __________.
Energy; Waste
What is the function of the diaphragm?
a muscle that is attached to the lower ribs and helps with inhalation and exhalation
The job of the excretory system is......
eliminating waste
The nerve cell that helps you gather info about your environment, interpret the information and react to it is the........
Neuron
The combination of chemical reactions through which an organism builds up or breaks down materials
Metabolism
To respond to stimuli, the body gathers information using _________.
Receptors
The location of gas exchange in the lungs is the _____.
Alveoli
Trace the pathway of food through the digestive system, through the 4 main organs we talked about.
Mouth--> Stomach--> Small Intestine--> Large Intestine
What is a stimulus? Give an example.
A change in the internal or external environment of an organism
What is homeostasis?
relatively constant internal physical and chemical conditions that organisms maintain
Having cells that lack cell walls is a characteristic that all animals share. List the other 3.
Multicellular, Heterotrophic, Eukaryotic
What are the differences between arteries and veins?
Arteries: carry blood away from the heart
Veins: carry blood towards the heart
What are the 3 functions of the digestive system?
Breakdown, Absorption, & Excretion
What is a response? Give an example.
The reaction that a organism has to a stimulus.
List the levels of organization from smallest to biggest starting with "cell"
Cell--> Tissue--> Organ--> Organ System--> Organism
Animals can reproduce either sexually or asexually. What are the two differences between them?
Sexual: 2 parents, offspring genetically different
Asexual: 1 parent, offspring geneticallyidentical
What 4 things does blood transport?
Oxygen, nutrients, CO2, waste
Choose an organ of the excretory system and describe its function.
Kidney: filter out wastes, water and salts from the blood
Skin: produces sweat which eliminates excess water and salts
Liver: breaks down many substances in the blood, including toxins (ex alcohol)
Explain the function of either the brain or the spinal cord.
Brain: control center of the body
Spinal cord: major nerve pathway of the body
Define vertebrate & invertebrate......give an example of each.
Vertebrate: animal that has a backbone
Invertebrate: animal that lacks a backbone, or vertebral column