Tissue And Organs
What type of cells are not body tissues, such as bacteria cells?
Prokaryotic cells
What are the three main stages of digestion taught in class?
Ingestion, absorption, and elimination
How many chambers does the human heart have?
4
Which sense helps you maintain balance and body position?
Touch or sight
What structure do plants use to release waste gases?
Stomata
Which is the most complex level of organization?
Organ systems
Where does most chemical digestion and nutrient absorption take place?
Small intestine
Which type of blood vessel carries blood away from the heart?
Artery
A photoreceptor reacts to what?
Light
True or False: A seed planted upside down cannot grow.
Put these in order from smallest to largest: cells, tissues, organs, organ systems.
Cells → Tissues → Organs → Organ systems
Which nutrient starts breaking down in your saliva?
Carbohydrates
Which part of the blood defends the body from bacteria?
White blood cells
Which type of receptor detects light?
Photoreceptors
Name one breathing system used by animals.
Lungs, gills, or tracheal tubes
Which type of tissue covers body surfaces and lines organs?
Epithelial tissue
The enzyme pepsin breaks down which nutrient?
Proteins
What is the last stop of oxygen in the respiratory system?
Alveoli
Where are the smallest bones in the human body located?
Inner ear
Which organ system removes liquid waste from the body?
Urinary system
Which type of cell usually cannot regrow after damage?
Spinal cord nerve cell
What is the automatic squeezing motion that moves food through the digestive system called?
Peristalsis
True or False: Arteries usually have thicker walls because they handle higher pressure.
True
Which two parts make up the central nervous system?
Brain and spinal cord
Name one factor that affects how many calories a person needs.
Age, gender, or activity level