Answer:
an endoskeleton is a skeleton on the inside of a living creature. look at endo like enter, its on the inside! an exoskeleton is on the outside of a living creature. think of exo as exit, its on the outside! animals with endoskeletons are like dogs, cats, fish, and raccoons. animals with exoskeletons are like spiders, ants, crabs, and snails.
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The glenohumeral joint—commonly referred to as the shoulder joint—consists of the attachment of the humerus bone to the scapula. Many actions occur at this ball-and-socket joint.
Answer: (C) Mesenchymal
Explanation:
The intramembranous ossification is the process when the neural crest are derived from the mesenchymal cells that are differentiate into the specialized bone formed cells which is known as osteoblasts. These osteoblast form a group into the cluster and then formed a center ossification.
The intramembranous ossification start begins with the help of flat bone, cranial bone that are present in our face. This process basically begin the mesenchymal cells start differentiate into some specialized form of the cells.
Therefore, Option (C) is correct.
Answer:
1. Sympathetic; parasympathetic
Explanation:
When the person is under stress and scared, the sympathetic division of the autonomic nervous system is activated. This activated nervous system triggers the release of stress hormones from the adrenal gland and generates flight or fight response. During this response, the heartbeat and breathing rate of the person is increased, pupils become dilated and the blood supply to skeletal muscles is increased.
Once the person is out of danger and reached home, the parasympathetic nervous system is activated. It inhibits the physiological responses generated by the sympathetic division and slows down the breathing and heart rate. The activated parasympathetic division triggers digestion and absorption of nutrients to restore the energy levels of the cells.
Answer:
1. Enzyme binds to substrate at it's active site.
2. Enzyme-substrate complex is formed.
3. Products are released.
4. Enzyme is recycled and moves on to catalyze another reaction.
Explanation: