Answer:
Tricuspid valve
Explanation:
The tricuspid valve helps push blood only from the right atrium into the right ventricle
The correct answer is A the rods in our eyes are sensitive to the exact wavelengths of the light
The number of protons and electrons are the same. The atomic number determines, the amount of electrons and protons in an atom.
The correct answer is B, aeration.
The type of joint that allows bones to move backward and forward in only one direction is the hinge joints. Ball and socket are the joints that allows movement in all directions. Gilding joints are type of joints that are the vertebral disks that allow twisting, turning, and sliding. Hinge joints are formed between two or more bones where the bones can only move along one axis to flex or extend. They include the ankle, elbow and knee joints.
