In what phase of mitosis is DNA replicated?
Synthesis
What is the function of the Circulatory System?
Transports nutrients and oxygen to cells and picks up waste
What do lymphocytes do?
They allow the body to remember and recognize previous invaders
What is the function of the liver?
To Produce Bile
What makes up most of the blood in your body?
Plasma
What occurs in anaphase?
Spindle fibers shorten and sister chromatids separate and move to opposite poles
Where does the process of gas exchange occur in? How?
Alveoli and by diffusion
Function of Myelin Sheath cells?
Act like the insulation on an electrical wire preventing electrical impulses from passing to the wrong neuron
Which type of muscle tissue is found in the walls of the stomach and esophagus?
Smooth
What is peristalsis?
A series of wave-like muscle contractions that move food through the digestive tract
What is it known as when the cytoplasm pinches in half?
Cytokinesis
What is the function of the epiglottis?
It covers your trachea when you swallow food
What is the function of the Golgi Body?
Packaging Proteins
What provides strong, flexible and low friction support for bones and other tissues?
Cartilage
What is the function of the cuticle in plants?
Prevents excess evaporation of water
What is apoptosis?
The controlled death of old cells
What is the function of goblet cells?
Secreting mucus that allows the material to pass smoothly along the digestive tract
What is the photosynthetic equation?
carbon dioxide + water → glucose + oxygen
What is the tissue that lines the outer surface of the body and body cavities?
Epithelial Tissue
What would happen if a plant cell was placed in a hypotonic solution?
The cell will take up water from external medium and swell up
What is an environmental cause of cancer? Provide an example.
Carcinogens and Tobacco
What are the steps of blood flow?
1) body 2) inferior/superior vena cava 3) right atrium 4) tricuspid valve 5) right ventricle 6) pulmonary arteries 7) lungs 8) pulmonary veins 9) left atrium 10) mitral/bicuspid valve 11) left ventricle 12) aortic valve 13) aorta 14) body
Which cells are constantly producing specialized cells in plants?
Meristematic Cells
Epithelial tissue produces _______ in the mouth.
saliva
What is the process where individuals are tested to determine whether their genes will lead to genetic disorders?
DNA Screening