Respiratory System
What structure does the trachea separate into?
Bronchi
The part of the blood that makes up almost half of the blood volume.
Red blood cells
Produces a fluid called bile.
Liver
This surrounds the cell. It supports the cell and allows for some substances to enter while keeping others out.
Cell membrane
The main purpose of the respiratory system.
What is gas exchange?
These carry blood away from the heart
Arteries
This is 6 m long and narrow. Where most digestion occurs.
Small intestine.
A spherical structure within the cell that contains genetic information that controls all cell activities.
Nucleus
A transport mechanism for moving chemicals into and out of the cell, from an area of higher concentration to an area of lower concentration.
Diffusion
The structure at the end of the bronchi
Alveoli
Blood enters this chamber of the heart from the body.
Right atrium
This holds food and churns it to continue the process of digestion.
stomach
A 3-D network of branching tubes and pockets that transport materials through the cell.
Endoplasmic reticulum
Phase of mitosis where the long strands of DNA condense into a compact form, being visible chromosomes.
Prophase
Inhalation
Infection-fighting cells in the blood.
White blood cells.
Organ system that takes in food, digests it, and excretes the remaining waste.
Digestive system
A cell that contains a nucleus and other organelles.
Eukaryotic cell
The longest stage of the cell cycle
Interphase
Movement of oxygen and carbon dioxide into and out of the alveoli
Diffusion
Veins
This breaks down food mechanically (with the teeth and tongue) and chemically (with saliva)
Mouth
Contain chlorophyll and absorb light energy to use in photosynthesis.
chloroplast
A tumour that interferes with the functioning of surrounding cells; a cancerous tumour
Malignant tumour