Share Science L4 Review Term 2 of 2022
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What is a cell?
A living unit that makes up all living organisms.
All organisms are made up of 1 or more cells. True or false
True
Which part of the cell controls all the functions of the cell? The cytoplasm or the nucleus
Nucleus
Which organelles is the power house of a cell? The mitochondria or the chloroplast?
Mitochondria
What type of muscle is the heart muscle? Involuntary or voluntary muscle
Involuntary
What joins bones to muscle? Tendons or sinew
tendons
Is a contracted muscle thicker and shorter OR longer and thinner?
Thicker and shorter
What are the 3 layers of the skin? Epidermis, ________ and hypodermis. Is the missing word dermis OR dermititis
dermis
What is a function of the skin? Regulating temperature OR making new blood
Regulating temperature
What is a callus on the skin? Overgrowth of skin OR a hole in the skin
Overgrowth of skin
Name the white part of the eye: Sclera OR retina
Sclera
What is the name of number 7 ? Pupil OR lens
Lens
What does the retina do? It creates light for the image OR converts the image into nerve signals
Nerve signals to the brain
The bacteria combine with the food debris to form a sticky coating called ____________. Plaque OR chyme
Plaque
What causes tooth decay? Sugar OR acid
acid
Which part of the tooth has the nerve endings in it? The pulp OR the enamel
The pulp
