Cells, muscles and systems Flashcards
What is the study of the cell called and who was it founded by?
Cytology. Founded by Robert Hooke in 1665
What are organelles? Name five
Small structures within the cell that each have their own function.
- nucleus
- mitochondria
- ribosomes
- lysosomes
- golgi apparatus
- nucleolis
- cytoplasm
What is the cells control center called?
Nucleus
What does the cellular membrane do?
Acts as a barrier around the cell that allows substances to penetrate or leave the cell
What is the nuclei and what does it do?
The center of the nucleus and the cells DNA. It gives the cell instructions to carry out its tasks
What is the function of the mitochondria?
Acts as the cells power house and it takes in oxygen and glucose to produce ATP/ energy
Which organelle in the cell is responsible for digestion and the breakdown of cell organelles?
Lysosomes
What are ribosomes refered to as?
Protein factories for the cell.
What is the Golgi apparatus referred to as and what does it do?
The “post office” of the cell. It collects and packages proteins for secretion
What does the nuclear membrane do?
It is a double layered barrier around the nucleus that allows proteins in and ribosomal subunits out
What are cilia
Hair like projections that enable the cell to move
What are the two types of cellular reproduction?
Direct division/amitosis and indirect division/mitosis
What are the 5 stages of mitosis/indirect division?
Interphase, prophase, metaphase, anaphase and telophase
What is anabolism?
The building up of cellular tissue
What is catabolism?
The breaking down of cellular tissue
What are the ten systems of the body?
Integumentary, skeletal, nervous, muscular, endocrine, excretory, digestive, reproductive, circulatory
What is defines as a structure containing two or more tissues which are combined to accomplish a specific function?
Organ
What are the six types of tissue that the body holds?
Bone tissue,connective tissue, epithelial tissue, liquid tissue, muscular tissue, nerve tissue
What are the 5 functions of the bones?
- gives the body shape and support
- produces blood cells in bone marrow
- protects internal structures and organs
- attaches muscles and helps with body movements
- stores various minerals such as calcium, phosphorous, magnesium and sodium
Where is the occipital located?
The lower half of the cranium
Which bone of the skull is located below the occipital and behind the ears?
Mastoid
Which bone forms the forehead?
Frontal bone
Which bones form the sides and top of the cranium?
The two parietal bones
Which bone joins all the bones of the cranium together?
Sphenoid bone