True/False
Fungi cells have chloroplasts
false, they cannot use photosynthesis so they do not have chloroplasts.
What is the function of the nucleus?
the control centre of the cell - contains DNA
Plants get energy for photosynthesis from where?
the sun
Which body system includes the lungs?
Respiratory System
What gas do red blood cells carry?
oxygen
Muscle cells cannot contract and extend
false, they must to this to help us move
What is the function of the cell membrane?
it protects and controls what enters and exits the cell
What is the proper name for the windpipe?
trachea
What food type does amylase help digest?
Carbohydrates
Which side of the heart has a thicker wall and why?
Left side - particularly the left ventricle
Needs to be able to pump blood all around the body.
Prokaryotic cells lack a true nucleus and membrane-bound organelles
true
Which organelle is sometimes called 'the powerhouse of the cell' and why
Mitochondria - converts energy
why do cells need to do cellular respiration?
to make energy for cells to use (ATP)
Which body system removes excess salts and protein waste (not digestive system)?
Excretory System
Write the following from the smallest to largest.
cells, organ system, organs, organism, tissues
cells, tissues, organs, organ system, organism
Cartilage is a substance found throughout the skeletal system. One of its uses is on the end of bones to help support joints and reduce friction.
True - it also absorbs shock and helps to support body structures in the body
What organelle is responsible for photosynthesis?
chloroplasts in plants
What 2 reactants are needed for cellular respiration?
glucose + oxygen
Ligaments join bones to _________
Bones
how do cells reproduce?
divide into 2, through mitosis
Lipase is an enzyme that helps to break down lipids (fats). It is found mainly in saliva (in the mouth)
False - saliva contains mostly amylase. Lipase is found mainly in the small intestine.
What is the function of the ribosomes?
to make proteins
Point on your body to the pharynx.
Back of throat, not neck.
Describe the process of gas exchange between the circulatory and respiratory systems.
Include: Alveoli, capillaries/blood vessels, oxygen, carbon dioxide.
Name the 3 tenets of Cell Theory.
1. All living things are made up of cells
2. Cells are the basic living unit of all living organisms
3. All cells arise from pre-existing cells