year 7 science
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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What are the components of a plant cell?
Ribosomes Nucleus Cell membrane Cytoplasm Mitochondria Chloroplast Cell wall Vacuole
What is the function of ribosomes?
Site of protein synthesis
What are the components of an animal cell?
Ribosomes Nucleus Cell membrane Cytoplasm Mitochondria
What is the function of the nucleus?
Stores genetic material (DNA) Controls the cell and cellular function
What is the function of the mitochondria?
Site of respiration
What is the function of the cytoplasm?
Provides an aqueous environment for cellular reactions
What is the function of the cell membrane?
Separates the intracellular and extracellular environments and provides a selectively permeable barrier for molecules to move in and out of the cell
What is the function of the cell wall?
Provides strength, structure and stability to the plant cell
What is the function of the chloroplasts?
Site of photosynthesis
Where in the plant are chloroplasts found?
Green parts of the plant, mostly the leaves/ stem
What is the function of the vacuole?
Maintains the water balance of the plant cell and provides turgor pressure to help maintain plant strength and shape
What organelles are only found in plants?
Vacuole Cell wall Chloroplasts
Components of the cardiovascular system?
Heart Blood vessels; arteries, veins and capillaries
What is the function of the cardiovascular system?
Maintains and adequate and effective blood supply around the body to ensure oxygenated blood reaches metabolically active tissue
Components of the digestive system?
Pancreas, large intestine, small intestine, stomach, oesophagus, liver, mouth
What is the function of the digestive system?
To digest ingested food and absorb sufficient nutrients and excrete indigestible material
What are the components of the endocrine system?
Pituitary gland Pancreas Adrenal gland Thyroid Ovaries/ tetes
What is the function of the endocrine system?
Involved in hormonal response and feedback to normal body function
What are the components of the musculoskeletal system?
The bones and muscles
What is the function of the skeletal system?
To stand upright and be able to move. To also carry out voluntary movements.
What is the function of the respiratory system
To allow ventilation and carry out gas exchange
What are the components of the respiratory system?
Lungs Respiratory muscles Rib cage Air way
What is the function of the reproductive system
To produce viable gametes capable to produce offspring
What is the function of the immune system?
To defend against illnesses and fight against infections