The Cell
What is the powerhouse of the cell?
Mitochondria
What are the two types of cell division?
Mitosis and meiosis
What endocrine gland controls growth and other glands?
Pituitary gland
Which organ produces bile to digest fat?
Liver
What part of the digestive system mixes food with saliva and pushes food down? (correct spelling only)
Tongue
This is the control center of the cell
Nucleus
Asexual reproduction : mitosis
Sexual reproduction : ______________
Meiosis
What hormone does pancreas create?
Insulin or glucagon
Which muscle contracts to help you inhale and relax to help you exhale?
Diaphragm
What do you call the process of muscle contractions in the esophagus that oushes food downwards?
Peristalsis
***DOUBLE POINT***
Who discovered animalcules?
Anton von Leeuwenhoek
**Double Points**
Give two (2) differences of asexual and sexual reproduction
Asexual:
Alone/independent
Offspring is identical or clone of the parent
Less time and energy
Uses mitosis
Sexual Reproduction:
Needs a partner/mate
Unique DNA or offspring
Uses more time and energy
Needs meiosis
**DOUBLE POINTS**
What are the three parts of a neuron?
Cell body
Axon
Dendrites
What is the difference between a vein and artery?
Vein: back into the heart
Artery: away from the heart
**DOUBLE POINT**
What are the three parts of the cell theory?
All living things are made up of cells
The cell is the smallest unit of life
All cells come from pre-existing cells
Diffusion: movement of solid molecules
Osmosis: ______________________
movement or diffusion of water molecules
Give two types of asexual reproduction and one example for each
Budding: potato/hydra/yeast
Binary fission: bacteria
Fragmentation/Regeneration: flatworm/starfish
Spore formation: bread mold/mushroom/ferns
What are the three major parts of the brain?
Cerebrum
Cerebellum
Brainstem
The smallest blood vessel: capillaries
The smallest bronchial tube: _________
Bronchioles
Draw the mitosis phase:
ANAPHASE
*chromosomes are at opposite sides of the cell*
What is the function of the endoplasmic reticulum?
It serves as the highway or transportation system of the cell
What are the 4 phases of Mitosis?
Prophase
Metaphase
Anaphase
Telophase
What is the function of the brain stem?
Maintains involuntary processes such as respiration, digestion, and blood pressure.
What do you call small finger-like projections in the small intestine that help absorb nutrients?
Villi
Write the order of organs in which food travels in the digestive system.
Mouth
Esophagus
Stomach
Small intestine
Large intestine