a gas that is the lightest of all the elements. It combines with oxygen to form water. ____o___ (8)
Hydrogen
the smallest unit of life with metabolic functions. ____ (4)
Cell
a living thing, especially one that is extremely small __g_____ (8)
Organism
a soft tissue that composes muscles in animal bodies, and gives rise to muscles' ability to contract. ____l_ / T_____ (6/6)
Muscle Tissue
a gas that is present in air and water and is necessary for people, animals and plants to live _____n (6)
Oxygen
the central part of some cells, containing the genetic material __c____ (7)
Nucleus
a small space within a cell, usually filled with liquid __c____ (7)
tissue that connects, supports, binds, or separates other tissues or organs __n_______ / _____e (10/6)
Connective Tissue
a gas that is found in large quantities in the earth’s atmosphere. ___r____ (8)
Nitrogen
all the living material in a cell, not including the nucleus _______s_ (9)
Cytoplasm
They carry out cellular respiration to have energy Mi____o_____ (12)
Mitochondria
the main tissue component of the two parts of the ___?___ system; the brain and spinal cord of the central ___?___ system (CNS)
___v___ / ____u_ (7/6)
Nervous tissue
found in several different forms, including as a poisonous, pale yellow substance that shines in the dark and starts to burn as soon as it is placed in air. P_________ (10)
Phosphorus
the clear liquid part of blood, in which the blood cells, etc. float P_____ (6)
Plasma
the division of a cell in two stages that results in four cells, each with half the number of chromosomes of the original cell M______ (7)
Meiosis
lines the cavities and surfaces of blood vessels and organs throughout the body ________a_ / _i____ (10/6)
Epithelial tissue
found in all living things, existing in a pure state as diamond and graphite. C_____ (6)
Carbon
one of the very small structures like threads in the nuclei (= central parts) of animal and plant cells, that carry the genes _h_______e (10
Chromosome
They contain enzymes inside that allow the cellular digestion _y_______ (9)
Lysosomes
Solid and elastic intercellular substance. _a_________u_ (13)
Cartilaginous