cell bio

• nervous system is part of the organ system
• reproductive system is part of the organ system
• the heart is an organ
• the brain is a organ
• bones are tissue
• cardiac muscles are tissue
• cartilage is a tissue
• spleen is a tissue
• blood is a tissue
• schwann cell is a cell
• mast cell is a cell
• blood is a cell
• leucocyte is a cell
• neurons are cells
• squamous are cells
• epithelium is a cell
• ribosomes are an organelle
• lysosomes are an organelle
• adrenaline is a molecule
• dna is a molecule
• collagen is a molecule
• phospholipid is a molecule
• the nucleus is a round ball
• the nucleus is a large organelle
• the nucleus contains chromosomes and controls cellular activities
• what is circular, is a large organelle and contains chomosomes and controls cellular activities?

  Nucleus
• the cytoplasm is mainly liquid
• the cytoplasm is spread all over a cell
• The cytoplasm is the main contents of the cell apart from the nucleus
• the cytoplasm is more than 90% water and contains ions, salts, enzymes and organelles
• what is liquid, spread all over cell, the 2nd main part of the cell apart from nucleus and is more than 90% water and contains ions, salts, enzymes and organelles?

  Cytoplasm
• the cell membrane look like a mat, with a phospholipid bi-layer that has heads facing out and tails facing in
• the cell membrane is the outer part of a cell - so it is quite large
• cell membrane is made of phospholipids and proteins
• the cell membranes job is to enclose the cytoplasm in a cell and controls the movement in and out of the cell
• what is like a large mat on the outside of the cell, made of proteins and phospholipids and encloses the cytoplasm in a cell and controls the movement in and out of the cell?

  cell membrane
• the cytosol is a liquid part of the cytoplasm
• what is the liquid part of a cytoplasm?

  cytosol
• ER stands for : endoplasmic reticulum
• the ER looks like a maze