Cell tissues Flashcards
What are the levels of organisation
Chemical
Cellular
Tissue
Organ
System
Organism
What is Chemical Level
All matter composed of atoms, atoms join together to form molecules.
What are important biological molecules
Carbs, Proteins, Lipids
What is in cellular level
Nucleus, cytoplasm, cell membrane
What does a red blood cell do
Transports oxygen around the body
What does oxygen bind to on a RBC?
haemoglobin (red pigment)
Structure of a RBC
No nucleus to hold more haemoglobin, biconcave shape to absorb oxygen more efficiently.
What is tissue
a group of similar cells with a particular function inside the body
4 main types of tissue
Epithelium
Connective
Muscle
Nervous
What are organs made of
groups of different tissues and have a particular function
What tissue is heart made of
Muscle (allows heart to contract n pump blood), Valves (contain connective tissue) Chambers of heart lined with epithelium
What are the organ systems
Integumentary
Skeletal
Muscular
Nervous
Endocrine
Cardiovascular
Lymphatic
Digestive
Reproductive
Urinary
Respiratory