Mana Atua 1-7 Topics Flashcards
Which of the following is an example of negative feedback?
Sweating to cool down the body
Which two systems control hormones?
Nervous and endocrine
Which macromolecule is the main source of energy for the body?
Carbohydrates
Which of the following are not a function of proteins?
Energy storage
What is the main purpose of cellular respiration?
To create atp for energy
Which metabolic process breaks down molecules to release energy?
Catabolism
Which organelle is known as the powerhouse of a cell?
Mitochondria
What is the function of the plasma membrane?
Control what enters and exits the cell
What time of tissue is responsible for movement?
Muscle
Which of the following is not an example of the connective tissue?
Bone
What percentage of total body water is found inside cells?Intracellular fluid?
40%
Which ion is the most abundant in extracellular fluid?
Sodium (Na+)
Which layer of the skin provides waterproofing and protection?
Epidermis
Which protein gives skin its strength and elasticity?
Collagen
Which gland is responsible for producing sweat?
Sudoriferous gland
Which of the following best describes homeostasis?
The body’s ability to maintain a stable internal environment
